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VERY FINE. AN EXTREMELY RARE AND LIKELY UNIQUE SET OF THE 10-MIL POSTAGE DUE TRIAL COLOR PROOF PLATE BLOCKS IN ALL SEVEN COLORS.
The 10-mil was the only value that was produced in trial color plate proofs. There were seven distinct color and paper combinations. It is believed only three sheets of each color were printed. However, only one other of each value is known in plate block form, except the Dark Green on Emerald, which three are known. We do not know if the other set of seven is intact in one collection. If not, the set offered here would be the only intact set of plate blocks available.
Bale $21,000.00 (Image)
Search for comparables at SiegelAuctions.com
VERY FINE. AN EXTRAORDINARILY RARE SET OF THE 10-MIL POSTAGE DUE TRIAL COLOR PLATE PROOFS IN TAB BLOCKS OF FOUR.
The 10-mil was the only value that was produced in trial color plate proofs. There were seven distinct color and paper combinations. It is believed only three sheets of each color were printed. Very few tab blocks can exist.
Bale $7,000.00 (Image)
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VERY FINE. THE UNIQUE PLATE BLOCK FROM THE ONLY RECORDED SHEET OF THE 10-MIL POSTAGE DUE FINAL PLATE PROOF.
The 10 mil is the only value of the Postage Dues that comes in plate proof form.
Unlisted as a plate block in Bale. However, just a tab single (of which ten were produced) catalogues $3,000.00 (Image)
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VERY FINE. THE UNIQUE SET OF PLATE BLOCKS OF THE IMPERFORATE 1948 POSTAGE DUES. ONE OF THE IMPORTANT HIGHLIGHTS OF DR. PILDES'S EXHIBITION COLLECTION.
While two sheets of each value were printed imperforate, this is currently the only known complete set of plate blocks.
Bale $20,000.00 (Image)