Currently, the largest known number of the 1¢ booklet stamp on cover, parcel piece, or tag is: 12.

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Description: Air mail special delivery cover with two pairs and eight single one cent Prexie booklet stamps plus a one cent and a three cent Defense issue paying the 6 cent air mail rate and 10 cent special delivery fee on a letter to Chicago, Illinois from Camden, New Jersey. Cover is post marked on May 20,  1942 and was received the same day in Chicago.

Owner/Source: Richard Pederson

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