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See the worn grooves along the top and bottom of the leading edge? Is that enough to be a concern or is it not a problem? Without testing, can you tell me from your experience if these film holders may leak light from the wear? It looks the the camera back actually made grooves in the top in bottom where the holder was pushed-in over the years.

Wishing you great light!
Paul

ps: hey Old-and-Feeble your inbox is full.