1c Ultramarine on White entire, Die 35 (U74a var; UPSS 143). Size 6, knife 16, watermark 2, cancelled by circular grid with "Big Rapids Mich. May 15" duplex datestamp and addressed locally, return request printed at left, slight soiling, still Very Fine and rare, this is by far the rarest size and knife configuration among the five UPSS listings under the umbrella of Scott U74, the UPSS Catalog states only three used and zero mint entires are reported for No. 143, ex Barkhausen with this backstamp, UPSS value

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