安南绍治通宝七钱。ANNAM. 7 Tien, ND (1841-47). Thieu Tri. NGC Unc Details--Obverse Cleaned. 安南绍治通宝七钱。儘管龙面有强力清洗痕迹,流通痕迹并不可见。难遇的版别。<p>ANNAM. 7 Tien, ND (1841-47). Thieu Tri. NGC Unc Details--Obverse Cleaned.KM-291; Sch-258.2. Despite some harshness to the cleaning on the dragon side, this broad, crown-sized issue is otherwise free from any evidence of actual circulation and stands as a quality example of a fairly difficult type.