Charles: I collect Griswold only so I'm no authority on Wagner. First, I'm not sure "repro" is correct here, because I have never seen a griddle that was a fake. Probably "unmarked " is a better term. Repros and fakes are usually found in more desirable collectors pieces. People don't counterfeit $1.00 bills. So, if it is unmarked, who knows if it was copied from a Wagner or is it just a griddle? If it is a round griddle, it was factory ground by both Wagner and Griswold. If it is rectangular, it was not ground. That said, if I bought a $2.00 unmarked griddle and the cooking surface was not as smooth as I desired, I might try and smooth it up a bit if I wanted to use it.