Nuair windows

We should be able to help, but I can't tell what you have from this photo. If possible, please remove an undamaged sample of the original and show me a clear picture of the end profile. Dimensions would also be a huge help. The video below will go into more detail.

I know your old bead is probably very brittle and it will be hard to get an undamaged sample, but please try your best. We won't be able to ID a match from a broken piece.