Kramer Vintage 1940s Signed Prong Set Red Rhinestone Brooch Pin Rare

Rare Kramer vintage 1940s gold tone prong set red rhinestone brooch pin. Measures 2" long. Minor surface wear as expected due to age (see pictures), but overall is in great pre-owned vintage condition. Brooch is signed on back. Kramer produced jewelry from 1943-1970s. The mark on this brooch is the first mark they used starting in 1943. They stopped using this mark around 1948.