拍品描述： 西藏狮图20斯朗银样币。格色康造币厂。(t) CHINA. Tibet. Silver 20 Srang Pattern, BE 15-54 (1920). Gser Khang Mint. PCGS SPECIMEN-61.异质版在PCGS评级中仅见两枚，堪称凤毛麟角。另一枚获评SPECIMEN-63，但编者认为整体外观略逊本拍品。压铸均匀而悦目，琥珀灰色包浆簇拥图文。耿爱德认为银版（标注日期仅有BE 15-51 [1917]）"应是试铸币或是戏铸币"。有趣的是，图版中的银版与本拍品日期相同（pl. 187，#1443），但文中未针对K-1443的记录，直接跳至1442b至1444。不论用意为何，异质版必定是与金版同期铸造，是西藏钱币中难得一遇的珍品。cf. L&M-1063B (for regular issue in gold); cf. Fr-1 (same); cf. K-1589 (same, though patterns in copper & brass are mentioned) & 1586y (for a silver issue from BE 15-51) & 1443 (pl. 178 only, not in text); cf. KM-Y-22 (same); cf. WS-0186 (same); TARNS (Tibetan Autonomous Region Numismatic Society)-1-197a. An <strong>IMMENSE RARITY</strong>, this off-metal issue stands as the lesser of just two observed in the PCGS census, the other being assessed SPECIMEN-63--<em>though possessing less overall eye appeal in the opinion of this cataloger</em>. Pleasingly struck, with a delightful, even nature to its manufacture, and a charming amber-gray tone that intensifies around portions of the devices. Kann posits that an example in silver (which he only notes for BE 15-51 [1917]) "<em>...represents either an essay, or else a mint sport.</em>" Interestingly, he plates an example presumably in silver with this date (pl. 178, # 1443), though no such entry appears in the text for K-1443, as the numbering jumps from 1442b to 1444. Regardless of their intended nature, these off-metal strikings are no doubt contemporary to the gold issues and represent an incredible opportunity for the advanced collector of the Tibetan series.Ex: Heritage 3037 (1/2015) Lot # 30827.Ex: Stacks Bowers & Ponterio 178 (8/2013) Lot # 50662.

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