1¢ Sheet Stamp - Most On Cover
Currently, the largest known number of the 1¢ sheet stamp on cover, parcel piece, or tag is: 38.
Description: Airmail cover sent from San Antonio, Texas to Rio de Janerio, Brazil containing 27 copies on the front and 11 copies on the reverse plus 2 copies of Scott C9 on the front. Originally cover had 39 copies but one fell off or was removed.
Owner/Source: Richard Pederson