10523 | 1929 25 AUG Red-band cover from Urga Mongolia to Peiping （4.10）
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Final Price: RMB 1,500
1929 25 AUG Red-band cover from Urga Mongolia to Peiping （4.10），reverse bearing 25M stamp，as the Chinese Post Office did not acknowledge Mongolian stamp，added four Junk 1c stamps on obverse cancelled by roller chop，excellent condition
