After the overthrow of the Manchu Government as a result of the National Revolution started at Wuchang, six denominations of blue postage-due stamps and two denominations of brown postage-due stamps of the Ching Dynasty were overprinted horizontally in the middle of the stamps with the characters〝臨時中立〞(Provisional Neutrality) in No. 5 Sung characters by the Customs Statistical Department, Shanghai. Six denominations of these postage-due stamps were placed on sale for a short period in Foochow only, while the 1￠ and 2￠ denominations in brown color, though similarly overprinted, were not issued.
Such overprinted postage-due stamps, when suspended from sale, as in the case of definitive stamps of the Dragon design, were overprinted with the additional characters 〝中華民國〞(Republic of China) so that the two overprints, one in a vertical line and the other in a horizontal line, were the shape of a cross. However, none of the eight denominations bearing the second overprint was issued for sale.