HERE ARE 8 SMALL BLACK BUTTONS, 5 MIXED DESIGN THAT MEASURE APPROX 0.3" AND HAVE METAL LOOP TO REVERSE AND 3 TINY BLACK WITH STONE CENTRE THAT MEASURE APPROX 0.1" , GUESSING THEY ARE MADE FROM GLASS.  DATE UNKNOWN BUT THEY HAVE SOME AGE AS CAME FROM A LARGE ANTIQUE COLLECTION OF ITEMS. 

IN A GOOD CONDITION, PLEASE GO BY ALL PHOTOS.

HAVE A LOOK AT MY OTHER VINTAGE BUTTON COLLECTIONS ON AUCTION.