US COLLECTION 1851/1957.in Scott National album, better 19th Century including 67-73, 100, 1869's to the 12c, Banknotes to the 90c, Columbians to the $2, Trans Mississippi to the $1, Pan-Am complete, useful Washington-Franklins, fairly complete from 1920, BOB including airmails, special delivery, dues, officials, parcel post, revenues, etc. ducks including RW1, mixed condition especially amongst the higher value items, still a useful and fresh collection