RE: Evo 80xtv quick report & fin advice sought
Not really. Or, it depends. Most 07 fins I've seen have a sort of black finish while the 08 ones are "clear" green G10, but the 06 fins was also clear G10 so...
If your 25cm feels stiffer and thicker than your 23 when hand flexing, then you probably have the 08.
One more thing: My 06 and 07 fins came in a case with both sides made of EVA foam while my 08 fins came with one side being clear plastic.