Their limited number, fine design and the intaglio process made the stamps in this series some of the most sought-after in the world.

[4] In January 1896, Censor Chen Pi of the Qing government petitioned the Guangxu Emperor to issue revenue stamps.

The proof was submitted to Sir Robert Hart, the Inspector General of Customs, for approval.

[1][2] On March 20, 1896, the Qing government approved the plan to establish a national postal service, under the supervision of the Customs Department.

[1][2][3] The crown jewel of the 32 surviving "Small One Dollar" stamps is the block of four, originally owned by R. A. de Villard who took it directly from the customs where he worked.