Address: 17 Qianhai West Street, Xicheng District, Beijing, China 
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Commemorative Visit to Heshen's Mansion
A stamp inscribed with the 6 characters "和绅豪宅留念" (Commemorative Visit to Heshen's Mansion).
Commemorative stamp of Prince Gong's Mansion, stamped by C & Y on 2017-06-04 in Beijing. Back to TopTreasure of the Kangxi Emperor's Calligraphy
A stamp inscribed with the 6 characters "康熙御笔之宝" (Treasure of the Kangxi Emperor's Calligraphy).
Commemorative stamp of Prince Gong's Mansion, stamped by C & Y on 2017-06-04 in Beijing.