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PMG Superb 67 EPQ Series 1928B X-B Experimental

Fr. 1602 $1 1928B Silver Certificate. X-B Experimental Block. PMG Superb Gem Unc 67 EPQ.
A gorgeous example of this X-B block Experimental note, this piece is one of three pieces graded at this lofty level by PMG with just one note a single point finer. This BEP experiment consisted of the X-B and Y-B blocks of the 1928A and B Series (these two series were on the presses at the same time) testing different rag content in the paper, while the regular paper Z-B block for these two series was used as the control block. The X-B block paper was comprised of 50% linen and 50% cotton, and the Y-B block paper was made up of 75% linen and 25% cotton. Aside from the three other examples of the X-B block for the 1928A Series, PMG has graded no other Experimental notes for this Friedberg number at the Superb level.


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Auction Info

Auction Dates
January, 2024
10th-12th Wednesday-Friday
Bids + Registered Phone Bidders: 6
Lot Tracking Activity: N/A
Page Views: 173

Buyer's Premium per Lot:
20% of the successful bid per lot.

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Sold on Jan 12, 2024 for: $3,360.00
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