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From what I understood, the system of numbers for glass types have been pretty consistent during the whole Jablonex period, and these numbers are indeed still used today. Sometimes another number was added at the end of the number, to add more colours in the same range.
The S numbers will probably be Riedel's numbers from before 1945. I think that you will find that in all numbered samples, the colours 8013, 8100, 5080 and some others are all uranium glass. I have a booklet from Preciosa 2000 that shows all of their 'special stones' and I also have some sample cards from earlier dates with the same stones. The numbers all match. There are numbers for each type, each shape and each colour. If I find the time I hope to digitalize all my sample cards and this booklet as a resource. But right now.....I really should be working. All rights reserved by Bead Collector Network and its users |
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