宣统元年（公元1909年），有些省开始制造宣统元宝银元，宣统二年颁布《币制则例》，规定国币以圆为单位，主币重库平七钱二分，含纯银九成，辅币有银、镍、铜币，规定银辅币有五角、二角五分和一角共三等。造币总厂还根据《币制则例》规定，于宣统二年试制以圆为单位的大清银币一套。宣统三年（公元1911年）又重新制模，试制大清银币，主币的蟠龙图案版别很多，计有长须龙、短须龙、大尾龙、反龙、曲须龙及签字版等版别。 反龙是清代银元龙图之一。因龙身作反“S”状，有异于通常的正“S”形，故名。
Xuantong first yearad ), some provinces began to manufacture Xuantong yuanbao silver dollar, Xuantong two years promulgated the monetary rules, the provisions of the national currency to round as a unit, the main currency heavy library flat seven two cents, including ninety percent of sterling silver, silver, nickel, copper coins, silver coins have five angle, two angle five points and a corner of a total of three, etc. Coinage factory also according to the regulations of the monetary rules, in Xuantong two years trial Qing silver coins in round units. Xuantong three years ( adand re - molding, trial Qing silver coins, the main coin panlong pattern version of many, including long dragon, short dragon, big tail dragon, dragon, quxulong and signature version. Anti - dragon is one of the figures of silver yuan dragon in Qing dynasty. Because the dragon body as the " s" shape, is different from the usual " s" shape, so the name.
