1½¢ Sheet Stamp - Most On Cover
Currently, the largest known number of the 1½¢ sheet stamp on cover, parcel piece, or tag is: 100.
Description: Piece of notebook paper containing 50 copies on the front and 50 copies on the reverse plus 3 copies of Scott J99 and one each of J92 and J93 on the front paying postage due, likely on a stack of business reply mail.
Owner/Source: Bob Hohertz
Currently, the second largest known number of the 1½¢ sheet stamp on cover, parcel piece, or tag is: 13.
Description: Cover containing 13 copies of the 1½¢ sheet stamp and 1 copy of the 5¢ paying for air mail from New York City to Oslo, Norway. The cover containing 24½¢ postage was marked 5½¢ postage due to make up the 30¢ required for Trans-Atlantic air mail at the time.
Owner/Source: Richard Pederson