These are hand blown glass doll eyes.
Vintage 14mm Blue Blown Glass Eyes for Porcelain or Reborn Dolls Eyeballs ES100
14mm Brown Blown Glass Eyes for Porcelain or Reborn Dolls Eyeballs
Vintage Brown 16mm Blown Glass Eyes for Porcelain or Reborn Dolls Eyeballs
Green 16mm Blown Glass Eyes for Porcelain or Reborn Dolls Eyeballs
Blue 14mm Blown Glass Eyes for Porcelain Reborn Dolls Eyeballs
Pair Of Vintage Glass Eyes For Doll Or Sculpture
