Category - Sight
Subcategory - 3D - Holographic Stamps/Glow in the dark under UV stamps.
Subcategory - 3D - Holographic Stamps/Glow in the dark under UV stamps.
China 2025 The Beauty of Mathematics
Issue date 14 March 2025
China Post has issued a set of 4 stamps to commemorate the Beauty of Mathematics featuring Pi the mathematical constant (80 fen), Pythagorean Theorem (120 fen), Euler's Formula (120 fen) and Mobius Strip (150 fen).
Of the four stamps - 2 stamps Pythagorean Theorem (120 fen) and the Mobius Strip (150 fen) stamps feature holographic printing.
The left margin of the full sheet features glow in the dark under UV for both the top left and bottom left of the full sheet (I only have the top half of the sheet)
To view other stamps in this category click on the following link -
Disclaimer - Information/Pictures about the stamp issues on this page has been taken from the net/Scanned from my collection and are for informational purposes only. No copyright claim is made for the above mentioned information/pictures/video. These stamps are part of my collection
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