Stack's Bowers & Ponterio
May 2022 Hong Kong Auction 3-9 May 2022
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1) Beihai Park. NGC PROOF-70 Cameo.
2) Temple of Heaven. NGC PROOF-69 Cameo.
3) Summer Palace. NGC PROOF-69 Cameo.
4) The Great Wall. NGC PROOF-69 Cameo.
An interesting and early issue from the modern Chinese commemorative program, this grouping also includes the original box of issue as well as the certificate of authenticity.