Vintage 1960’s-70’s Lot of (3) Miniature Hand Blown Glass Jewelry Charm Animals: Duck, Rabbit & Lemur?

This lot includes 3 miniature .50”-1” handblown glass charms dating to the 60’s-70’s era. Most likely the enjoyed a previous life on a necklace or charm bracelet. Each animal has a copper wire embedded in the glass at the top of its head for easy attachment. These would be awesome for a jewelry project or upcycle creation. All three are in nice vintage condition. Any imperfections appear to be a result of glass making technique not damage.