At the time of the second surcharging of the Provisional Neutrality stamps, a lot of unwatermarked London Print Dragon stamps was overprinted by the Customs Statistical Department, Shanghi with four Chinese No. 5 Sung style characters 〝中華民國〞(Republic of China) reading vertically. The whole set consists of 15 denominations from half cent up to $5. They were placed on sale at all Post Offices.