These are reeds out of a very dilapidated Globe accordion, but, despite the rust on some, It's gonna make an 1980's Acadian sing, like you've never heard.
However, lots have leathers have been removed, to figure out the best way to remove rust, without f9king up the reed. My only advice is, never get to gelled up about replacing reeds, until the rust is gone. Period.
Which reed doesn't match? It's easy, for those who know this ****. But let other chime in, dammit.