$1 Sheet Stamp - Most On Cover
Currently, the largest known number of the $1 sheet stamp on cover, parcel piece, or tag is: 30.
Description: Card containing a block of 30 of the $1 and 6 of the 25¢ to pay postage for a stack of magazines being shipped.
Owner/Source: Pictured in Kellehers Collectors Connection, Vol.1 No.2, Nov-Dec 2015, page 45.
Currently, the second largest known number of the $1 sheet stamp on cover, parcel piece, or tag is: 17.
Description: Parcel tag containing 17 copies-2 on front and 15 on reverse
Owner/Source: Richard Pederson