Waseca Post Office National Air Mail Week Promotion. (a) Flyer. Size: 6" x 9 1/4". Description: white paper with black type: "Waseca Invites You to send an Air Mail Letter, National Air Mail Week, May 15-21, 1938..."; a center square logo of a open-mouthed fish with an airplane flying through it captioned: "Home of Famous Clear Lake"; reverse side information about how Waseca will be participating in Air Mail Week and a time schedule of when mail arrives in major American cities after being mailed in Waseca. (b) Envelope. Size: 4" x 9 1/2". Description: white envelope with a red and blue striped border and the same fish logo as the flyer; stamped on right front: "Via Air Mail".
