United States, 1918-20 Offset Printings & Beyond. Very attractive group neatly presented on dealer sales pages, duplication to 5 on some issues, Offsets including imperfs, couple commemoratives; much never hinged, generally fresh fine to very fine or better, occasional small fault, owner's 2008 catalog value over $3,000, worth careful evaluation. Scott No. 526//550; $3,085  Estimate $1,000 - 1,500. $0