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I have a different perspective.

I would like to see an end view of the cross section, to contemplate the layering.

It appears to be a four-layer cane/bead. The base is translucent teal-blue; the second layer appears to be conventional translucent cobalt blue; The third is conventional opaque white.

But then the uncionventional happens.

The fourth outer layer seems to be composed from teal and red alternating stripe units (that are inconsistent and somewhat broad)—and these have been covered by a thin teal layer. And onto this have been placed some opaque yellow stripes. (I suppose the exterior teal-blue is the same glass as the base.)

This describes the cane.

In making a segment of cane into a bead, a great proportion of the outer layer(s) has been removed. It is the most-intact where the yellow stripes remain.

Although we can see that against the white starry layer the next sequence is red-against-white, alternating with teal-against-white; we can also see the the original cane was entirely teal, OVER the teal and red below it. Since the external teal is continuous with the teal below it (and covers the red), it is best to think of this as a teal layer, that includes internal red stripes.

Viewing the side of the bead (since it is shown in two photos), at the equatorial zone, the external teal glass remains intact to some degree. It is the cutting of the segment, to reveal the chevron pattern that also reveals the red glass, and also has removed most of the thin teal exterior. However, we can see areas where the thin teal exterior still covers the red stripes below.

This is my analysis of a very unusual chevron bead. (I'd still like to see the cross section—and to know if you agree to the internal colors—the first and second layers—as I describe them.)

Jamey

Thanks Jamey for your input
The teal is the right name for the first and fourth layer. The second layer with a magnifier I see it like a saturated purple, close to black.
Here are pictures of both side views.
This is an interesting and valid explanation.
Do you mean there are 12 internal red layers in the teal? Could they be external?
I think the yellow stripes have been applied separately to the teal as there is no trace of the red next to them or around them.
This thin red layer or internal stripes which are all around the bead intrigued me a lot...
JP

Hi John, Very interesting bead. It looks to me like the cane , which I doubt was very large, was made in the conventional manner, dip, blow, mold, diip mold, dip, mold, then the red was applied with a separate gather on a pontil flipping back and forth up and down attempting to put a stripe on the top of each white rib. He missed in one case and the red thread went down into the valley, then the mass was heated and dipped into the outer layer of teal. This allowed the teal to make it down into the valleys of the ribbed form and get both under and over the red which was just a thread, some fat some thin which wasn't fully cooked into the form. After the last gather I suspect based on the red decoration a yellow decoration was applied on the outside ot the outer layer in the same manner then cooked in when the whole mass was heated to pulling consistency. The yellow threads weren't too big and most were ground away in the grinding. It is a pretty even elliptical grind which is a bit unusual for the age and the hole has a major shape shift from one end to the other which makes me think it wasn't a very large cane. . If I were going to try to replicate that bead that is the manner in which I would do it. The glass is not fined out very well which is a hallmark of earlier chevrons. I think the guy on the pipe making the cane was experimenting and playing around. Glass blowers are like that, they like to experiment.

Thanks a lot Art for your detailed explanation and point of view.
This bead is 21 x 17mm. I think it is one made from a short cane and part of a serie of other interesting canes made in Murano at that time.
Likely made as experimental canes using unusual colors and often with multiple stripes.
Probably a short cane would deliver, depending on their size, two or three dozens of beads.(I speculate)
With time, who knows how many have survived.
There is a sample of this chevron in the Murano Museum and it has been catalogued by Augusto Panini in "The world in a bead".
It obviously comes from the same cane with also most of the yellow stripes missing.
JP

Thank You for sharing this unusual and beautifully colorful old chevron. I'm wondering, did it come through the African Bead Trade or otherwise? Thanks, Anne

No, It came from a European collection
JP

Thank you. Hi John- had no clue first pic from collection/exhibit. Awesome bead- one of the prettiest too in the dark teal color.

Similar but much rougher and hand faceted small Venetian chevron. Also has brick red and yellow outer striping. and a green teal layer (not the teal), white core. From the African Trade.

Also this type bead, as you know, listed at Fort Vancouver, WA, from the Hudson Bay Company- see bead pic. Plate 1 "V". (1829-1860).
https://surface.syr.edu/beads-gallery_vol2/2/

Hello J & R.

Thank you for your reply, and for showing the cross-section view.

I'm glad to know the second layer is "black"/purple. I wondered.

Seeing the cross section, it is clear that after the white layer, a red stripe was trailed onto each point. This was not apparent to me from the side views.) Notice that each one has beed pressed enough to flatten the trail, and also the points of the starry layer below. (Except for one point, where the red stripe is slightly misplaced to the side of the point.)

It is certainly possible (as Art suggests) that from this procedure the fourth teal layer was flashed on. But, in any event, since we can see this covers the red internal stripes (where the exterior is intact), this is its full external fourth layer—even though it's very thin over the red stripes.

So, then, I suppose the thin yellow stripes were added to the exterior blue. Reviewing the side-view photos from you original post, I am supposing there were originally twelve thin yellow stripes, and these were placed onto the teal layer, spaced between the internal red stripes—though all but two have been ground-away during the bead shaping. I notice the yellow stripes are slightly sunken-in. But I would attribute this to the yellow glass being more firm than the teal, to which it was applied—which would be the case if these were merely preformed rods (and not trails).

When we see a fairly large drawn bead, it is not unusual for that segment of cane to be slightly tapered, and for one aperture to be larger than the other. We see this among many large early 7-layer chevron beads. This typically indicates that those particular beads were made from pieces collected from near the ends of the pull. This need not have been a short pull. There could easily have been hundreds of smaller beads, derived from a long cane. Nevertheless, since this particular pattern is very rare, I couldn't speculate whether the gather was small, making a sort cane, or not.

I think it is very likely that this bead relates to other chevron beads you have documented—some of which came from the Heide Collection. They are joined together by having translucent teal layers, and external stripes of various colors and arrangements. (Luigi made a reproduction cane inspired by one of these.) I am inclined to place these in the early 20th C., when Moretti was already making conventional 4-layer and 6-layer beads. Not that these teal beads were necessarily made by Moretti. It is very possible that another glassmaker produced these canes to have a product that differed from Moretti work. (This would be for contrast, and to not been seen as "appropriating" the work of a competing colleague.)

JDA.

Hi jamey
I bet they were several glassmakers in Murano capable of making non conventional chevrons but I would never think that this bead could have some relation with Moretti.
There is a very good record of his trade mark production and he has a small Museum of his own where they are genereusly displayed.
It seems to me that his products are using refiner glass and more vivid colors like bright red and bright yellow that were introduced in the early 1920.
The colors and the cruder glass showing on this particular chevron are I believe from earlier time.
The Murano museum has no exact dating but they are recorded as given to them in the last quarter of the 1800s.
JP

If you read carefully, you will see that I did not suggest these are Moretti beads. I said they probably were not.

I have been to the Moretti industry twice. In 1991 and 2019. I have seen their museum, workspace, inventory storeroom, and commercial display. I took photos both times. More in 2019.

It is abundantly demonstrated that, in addition to unconventional 1920's colors, Moretti continued to make conventional blue and green chevron beads, when stock was needed, through the 1960s. Their star-patterned work also demonstrates canes they might have produced to make odd rosetta beads.

Hi Jamey
Sorry, I thought you suggested than Moretti had some relation with this chevron and I could not really see that.
We ourselves dealt with Gianni and Giuliani Moretti for years in business and had a close personal relationship.
Gianni is very knowledgable of the Murano industry and dedicated to the history of his family. He gave us a lot of infos, advices, and samples which are now in our Museum .
We tried to show all their chevrons with pictures and description in our exhibit #9, at least all the ones he had a sample at the time.
JP

http://picardbeads.com/exhibit9.html

Thank you John, for showing this beauty and thanks to Art and Jamey for the inside views...!

As far as Colors and general appearance I think this example in Picard's Chevron & Star Bead Exhibit has many date and construction similarities- no expert..TQ 1st color then purple/black then white layer? perhaps...onward..

But to the untrained eye, I can see how OP's Chevron and similar examples in the Picard catalog are likely very related- color wise, and I would think also time wise.

Similar bead is labeled in Picard as #CH180: "4 layer blue
Size: 21x 17mm. Opaque medium blue, deep purple, white, blue with remnants of red and yellow stripes. Date: Mid to late 1800s"

You can see this similar example:
http://picardbeads.com/exhibit9/exhibit/ch180.html