FLIGHT CACHET AIR MAIL FIRST DAY COVERS FOR SALE: Click on the image text to return to where you were on the Space and Flight Collectibles Page.
 

#C78 Air Mail First Day Cover #C77 Air Mail Post Card First Day Cover
#C78 Air Mail First Day Cover - $2.25 #C77 Air Mail Post Card First Day Cover - $2
#C81 International Air Mail First Day Cover #C81 International Air Mail Plate Block
#C81 International Air Mail First Day Cover and Plate Block - Both for $4.25