SPACE AND FLIGHT FIRST DAY COVERS AND PLATE BLOCKS FOR SALE: Click on the image text to return to where you were on the Space and Flight Collectibles Page.
 

#1193 Project Mercury First Day Cover - $1	#1193 Project Mercury First Day Cover - $2
#UNNY 223 Special Delivery Inscription Block First Day Cover - $9	#C74 50th Anniversary U.S. Air Mail Plate Block - $1.25