Antique 1910s Silver Oval Abalone Shell Lingerie Pins, NOS

Gorgeous 1910s or 20s era sterling silver lingerie pins with centre ornaments of iridescent abalone shell in an oval shape. C-clasp closure. Set of two, used for pinning bra-straps to clothing. Can be worn as brooches. Deadstock, still on their store card. 

Materials: Sterling silver, German silver, genuine abalone shell.

Measurements:

Pin length: 2.75cm

Oval: 1cm

Condition:

The silver is tarnished. 

One of the white sets has a small imperfection and has been discounted (see photos).