Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums General Petroliana Discussion Diamond Service Station Porcelein sign

I recently purchased the above mentioned sign. Can anyone give me any information on it? We think it dates back to the 1920's. Could anybody tell us what this might be worth? The size is 9'long x 1'tall and it only has two small areas of rust on top where it was hung from.

[This message has been edited by judy-retired (edited 06-09-2008).]