В коллекцию стеклянных донышек

[uchitelj]

Corning Museum of Glass.
https://www.facebook.com/photo.php?fbid=2330524663697126&set=gm.2598795180139334&type=3&theater&ifg=1
Эгломизе https://en.wikipedia.org/wiki/Verre_%C3%A9glomis%C3%A9