Rose IG's Lacy Edge featured mold changes during its production span & while the lacy edge went unchanged, the bottom designs on some pieces were changed so I would not rely on TAGF to exhibit all the changes. For instance your plate is from 1935 the very beginning of the pattern & your opalescent color is (depending on source) either Sea Green or Sea Foam (IG used Sea Foam), but again there were changes to this pattern over the years according to the IG Encyclopedia, Volume II. Ken