2 Identical beads probably meant for jewelry or crafts. They wouldn't work as buttons. They are round, made in 2 attached halves and set in Florentine gold tone metal collars that have a tiny gold loop at either end. Each bead is made of black sequins topped by tiny black beads. Not sure how well that will show on your screen. Enlarge the pic to get a better idea.
Including the gold loops, the beads measure 1 1/8 inch. Perfect condition. I think these beads would translate into wonderful drop earrings with a wire above and another bead or more suspended from the black beads.
Please note that button purchases can be combined to save on shipping. At least 3 lots,often more, will go for the one shipping rate. I automatically give refunds when lots are combined.