United States Postal Stationery Official Envelopes
Sale No: 755
Lot No:1990
Symbol:Cat No:UO15, UO16
Postal Service, 1877, black on amber & blue on amber (Scott UO15, UO16), Die PD7, entires, each with "Office of Third Ass't Postmaster General,/Division of Dead Letters." corner card with double triangle symbol indicating valuable enclosure; light foxing or staining to each not affecting indicia; #UO16 with watermark right-reading vertically down the envelope when viewed from the back, Fine to Very Fine. UPSS PS6-0, PS7a-2. Scott $1,150 Suggested Bid $400-600 (Image)