Currently, the largest known number of the 9¢ sheet stamp on cover, parcel piece, or tag is: 9.

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Description: Parcel piece mailed from Gary, Indiana with 9 copies of the 9 cent Prexie and a 6 cent Prexie. The parcel was mailed on October 5, 1939.

Owner/Source: Richard Pederson

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Description: Parcel piece mailed from Gary, Indiana with 9 copies of the 9 cent Prexie. The parcel was mailed on October 3, 1939.

Owner/Source: Listed on eBay.

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Currently, the third largest known number of the 9¢ sheet stamp on cover, parcel piece, or tag is: 7.

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Description: Registered special delivery first-class letter with return receipt requested sent to Bloomington, Illinois with 7 copies of the 9 cent, a 20 cent special delivery, and one each of the 2 and 3 cent Prexies.

Owner/Source: Richard Pederson

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