Lot 3537
Post Office Dept., 1873, 6¢ black, diagonal bisect (O50a), matched pair of bisects used on Post Office Dept. cut squares at Niagara Falls, N.Y. on the same day: the upper left half on a 3¢ cut square (UO7) paying double the 3¢ domestic rate; the lower right half with a 3¢ Post Office (O49) on a 6¢ cut square (UO12) paying quadruple the 3¢ rate Very Fine.
Estimate 1,000 - 1,500
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| Realized $3,250 |
