Vintage Silvertone Circular Pendant with filigree + inlaid Abalone shell

Bewitching Silvertone + Abalone shell pendant (no necklace/chain) Maybe stainless steel? Please note it is not pristine Tubular circle with winged oval and filligree design Inlaid with oval of luminous abalone Beautiful vintage condition. 1 7/16" diameter setting 5/8" x 1/2" 3/4" drop from top of loop This item was donated to the Subterranean Super Sale, and as such the entirety of the proceeds will go to one of the following organizations: BCRF, Equal Hope, Pink Fund, Pink Ribbon Good. Thank you!