This is a Calumet C2N C2 6x7 cm Roll Film Holder / Back for 4x5 View Cameras.
This item is in good working order and in excellent cosmetic condition. This item is missing no pieces and all moving parts work without issue. Dark slide is not bent and slides into the piece without issue.
WE SHIP IN 1 BUSINESS DAY as well we package professionally. We are interested in BUYING your photographic equipment as well. We are Camera Exchange in Waterford, Michigan.