Cambridge 7 3/4" #3400 Square Luncheon Plate, Ebony

This is the square version of the Cambridge Glass #3400 7 3/4" luncheon plate in Ebony (black); all are in superb condition (the white on the picture is just the flash from the camera). Signed with the C in a triangle, made pre 1935. See separate listing for same plate in 6" (bread and butter size).