cover Hazard Powder, gorgeous multicolor design of duck supposedly sticking his head through the envelope with extensive ad text, two 1898-99 covers franked with nos. 267 or 279B, each tied by machine cancel, also incl. unused envelope with the same basic design, all three have different text and represent three different versions of the ad, both covers have small cover stains, one is also slightly reduced, otherwise fine lot, a very popular design