Jonette Jewelry (Rhode Island, USA) Silver Tone Brooch of Three Pig Bottoms Across a Trough

A silver tone brooch depicting three pigs along a trough, with only their bottoms visible.  The brooch is affixed with a locking c clasp closure and measures  2 1/2" across and 1 3/8" tall.  The back is signed "JJ" and the condition is very good.