Currently, the largest known number of the 6¢ sheet stamp on cover, parcel piece, or tag is: 10.

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Description: Letter from New Yory City to Johannesburg, South Africa containing ten 6¢ Prexies paying the 60¢ required for a double weight air mail letter.

Owner/Source: Richard Pederson

Image(s):

Currently, the second largest known number of the 6¢ sheet stamp on cover, parcel piece, or tag is: 8.

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Description: Parcel piece with Czechoslovakian Field Post cancels on parcel sent to London, England containing 8 copies of Scott 811 with Chicago, ILL pre-cancel.

Owner/Source: Richard Pederson

Image(s):