ER201 Very rare ND (1943) China CHIANG KAI-SHEK Copper-nickel mu

ER201 Very rare ND (1943) China CHIANG KAI-SHEK Copper-nickel muled medal NGC AU58. using the reverse dies of the LM-970 &971 medal, 26.13mm. Obverse: Temple of Heaven; Reverse: Presented by Generalissimo and Madame Chiang Kai-shek around 4 Chinese seal script characters. It is very historical coin; one side of Beijing another side of Taiwan. You can't find any other coin has that symbol. So far I only found total of 7 graded by both PCGS and NGC. US shipping is free. International shipping will be $68 express mail