A DARK SPINACH-GREEN JADE DOUBLE-DRAGON SEAL 20th century 3 3/4 x 4 x 4in (9.5 x 10 x 10cm) Footnotes: 二十世紀 碧玉雙龍鈕印 Provenance: The Alan and Simone Hartman Collection 來源： 艾倫與西蒙·哈特曼伉儷珍藏 Lot to be sold without reserve. This lot is subject to the following lot symbols: ¤ ¤ Unless indicated by the ¤ symbol next to the lot number (or bearing an explicit statement such as 'No Reserve' or 'Without Reserve'), which denotes no reserve, all lots in the catalog are subject to a reserve. The reserve is the minimum hammer price that the seller is willing to accept for a lot. This amount is confidential and does not exceed the low estimate value. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing