U.S. #5211 Total Eclipse of the Sun
U.S. #5211 Total Eclipse of the Sun
In the first U.S. stamp application of thermochromic ink, the Total Solar Eclipse stamps reveal a second image when the ink is activated by the heat of a thumb touching the stamp image
In the first U.S. stamp application of thermochromic ink, the Total Solar Eclipse stamps reveal a second image when the ink is activated by the heat of a thumb touching the stamp image
Showgard Mount Size: SG33
Scott/Prinz Mount Size: 927 - 215x33
Code: USSM5211
Price: $1.75