approximately 50 covers and cards bearing various "Held for Postage" handstamps, begins in 1883 with several examples of HP-3 (including the earliest recorded use) used in conjunction with SN-1 and PS-1, continues through the 1950s with "This is the Mail for Which You Sent Postage" handstamps, interesting items throughout including a 1933 "World's Fair in a Nutshell" parcel tag originally attached to a walnut, generally fine to very fine, an extraordinary and comprehensive collection, see discussion in Piszkiewicz (pages 434-44)