United States, 1914-16 Wash-Frank perf 10 Coil stock. Various examples including 450 (2 pairs), 454 (7 singles & pair; 452 joint line pair & 453 same with 2003 P.S.E. cert & 2 singles (one with 1996 PF cert), o.g., mostly lightly hinged with couple n.h., fresh and very good to fine to very fine; owner's 2008 Scott catalog value $2,260. Scott No. 450//454  Estimate $500 - 750. $0