United States Postal Cards With Advertising on Face, 30 cards from the McKinley issues forward including message/replies, with 10 of the multiple advertising cards from Kellogg & Blue Label Ketchup (Falberg's "US Multiple Advertising and Discount Postal Cards" MS-61b var 1 & 2, MS-61c var 1, 61-d var. 1, 2 &4) almost all are illustrated, a marvelous group that would be difficult to duplicate, F.-V.F. Estimate  $200 - 300. $0 (Image)