4½¢ Sheet Stamp - Most On Cover
Currently, the largest known number of the 4½¢ sheet stamp on cover, parcel piece, or tag is: 22.
Description: Second class air mail cover, mailed February 5, 1962, containing 22 copies of Scott 809 (blocks of 10, 6, and 4) plus two copies of Scott 1031 and one copy of Scott 1047, the 1 cent and twenty cent Liberty issues.
Owner/Source: Hal Klein.
Currently, the second largest known number of the 4½¢ sheet stamp on cover, parcel piece, or tag is: 20.
Description: Registered cover, mailed December 7, 1968, containing 20 copies of Scott 809 (5 blocks of 4) plus one copy each of Scott 741, Scott 1033, and Scott 1096. This is a relatively late use of Scott 809 that is not considered in period by most Prexie collectors.
Owner/Source: eBay auction listing that closed on 3/18/2020 at $104.50.