Bases on your images this one and the others you've posted are 1920's-30's pressed glass cake stands. The clear glass examples are not as sought after as the colored variety, most unmarked ( No company name) comparable examples sell for under $25.00 at auction.
Re: CAKE PLATE
Bases on your images this one and the others you've posted are 1920's-30's pressed glass cake stands. The clear glass examples are not as sought after as the colored variety, most unmarked ( No company name) comparable examples sell for under $25.00 at auction.