Allegory of Peace overprinted for use in Hoi-Hao, 1902-1904, Michel Nr. IND 1II-16II; Hoi-Hao was a French treaty port within China that was established after the Treaty of Whampoa was signed in 1844. This allowed the French to use five ports to French merchants, establish consulates there, provided certain special rights to French citizens and a fixed duty on French-Chinese trade. Fifteen stamps of the Allegory of Peace set were overprinted as follows: 1C, 2C, 4C, 5C, 10C, 15C (two stamps), 20C, 25C, 30C, 40C, 50C, 75C, 1F and 5F.
Here is the 1C value postally used.
Registration Nr. 090023