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    Description

    Z-B Experimental Block Fr. 1602 $1 1928B Silver Certificate. PMG Gem Uncirculated 65 EPQ.
    A BEP experiment consisting 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. Paper originality and excellent color remain visible on the Gem in this lot.


    Auction Info

    Auction Dates
    Apr-May, 2018
    25th-1st Wednesday-Tuesday
    Internet/Mail Bids: 7
    Lot Tracking Activity: N/A
    Page Views: 235

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