Aetna Dynamite. Wonderful multicolor design on 1908 cover showing Farmer with Box of Dynamite, franked on reverse with 1903 2Ā¢ tied by Louisville, Ky. machine cancel, slightly reduced at right, Very Fine, a rare & attractive design, not included in the Biddle or Beals collections. EstimateĀ $200 - 300. $0 (Image)