4½¢ Horizontal Coil - Most On Cover
Currently, the largest known number of the 4½¢ horizontal coil on cover, parcel piece, or tag is: 10.
Description: Registered cover mailed on May 16, 1949 from Racine, WI to Tampa, FL paying the double airmail rate and a 35-cent registration for contents valued at less than $5.
Owner/Source: Willy Knopp
Currently, the second largest known number of the 4½¢ horizontal coil on cover, parcel piece, or tag is: 7.
Description: Registered cover paying triple weight postage (9¢), 3¢ return receipt fee, 15¢ registry fee, and 4¢ supplementary surcharge covering $400-$500 indemnity. There is a ½¢ convenience overpayment.
Owner/Source: Robert Schlesinger