Pan-American Exposition Balance, 8 items each with exposition cancel; includes Railway Post Office usage (B01-03), Statler's Hotel ad cover (B01-11), two Post Office Department Exhibit cards (B01-12), Larkin Soap Co. ad cover (B01-17A), Larkin Soap Co. ad cover (B01-18) with original illustrated letterhead enclosure, red illustrated Larkin Soap Exposition ad cover (B01-18) showing Larkin Building, and Larkin Soap ad cover (B01-18A), overall Very Fine. Estimate  $750 - 1,000. $0 (Image)