Though you did not attach a ruler, the beads look rather huge. 16-18 mm or so, as my left eye insists!

That, if true, together with the unusual colors, the somewhat different "design-chen" and the fact that you got even several of this (possibly rare" pieces make me scratch my head!

On the other hand - looking at and into the apertures, my right eyes is no longer sure what the other one signaled to my brain!

Authenticity factor:
40:60