1980年30元加厚银币。奥运系列。冬季两项。第十三届冬季奥运会。普莱西德湖。发行量500枚。无瑕加厚版，PCGS唯一获评满分70。无可挑剔的品相，生动迷人。<p>(t) CHINA. Silver 30 Yuan Piefort, 1980. Olympic Series, Biathlon. PCGS PROOF-70 Deep Cameo.KM-P17. XIII Olympic Winter Games: Lake Placid. Mintage: 500. This phenomenal and flawless Piefort offers the chance to own the sole example of this type graded a perfect 70 by PCGS. No fault could be raised against this example, with entrancing and vivid contrast.<strong>To view all items from the Tony Ma Collection, click <a href=https://auctions.stacksbowers.com/lots?sort=auction_date_lot_number_asc&limit=96&search=From+the+Tony+Ma+Collection.&lots_range=upcoming> here.</a></strong>From the Tony Ma Collection.
