penny post
noun
in sing.
- historical a system of carrying letters at a standard charge of one penny each regardless of distance, in particular the system established in the UK in 1840 at the instigation of Sir Rowland Hill〈史〉一便士邮政（一种不论路程远近, 均收一便士作标准邮资的邮政制度, 尤指在罗兰·希尔爵士的鼓动下, 1840年于英国建立的制度）。