Robbins & Myers (R&M). Brass Key Chain Fob/Medallion. 1.5(38mm) in diameter. These are chemically etched. Custom work is available on request. The item “Robbins & Myers (R&M) Medallion Keychain Fob Antique Electric Fan Brass” is in sale since Wednesday, April 30, 2014. This item is in the category “Collectibles\Kitchen & Home\Electric Fans”. The seller is “rdrc5″ and is located in Keysville, Georgia. This item can be shipped worldwide.