The country's first modern postal service got started in 1871, with mail professionally travelling between Kyoto and Tokyo as well as the latter city and Osaka.
This took place in the midst of the rapid industrialization and social reorganization that the Meiji period symbolized in Japanese history.
Given how the nation's railroad technology was in its infancy, Japan's growing postal system relied heavily on human-powered transport, including rickshaws, as well as horse-drawn methods of delivery.
For example, while commemorating the 50th anniversary of Japan's postal service, the country's 1921 government released decorative postcards depicting intrepid horseback riders carrying the mail.
Shipping along the nation's coastline in particular demonstrates a key instance of how the Japanese economy developed: the government closely working with private companies to industrially expand in a way that met social needs while also allowing for large profits.
Mitsubishi's contract for mail transport by sea proved lucrative enough that it assisted with the firm becoming one of the famous "zaibatsu".
The first stamps were issued in April 1871, in a set of four covering the different postal rates; the intricate two-color design consisted of a pair of dragons facing towards the center, where the characters of value were printed in black.
The new designs also included Latin letters for the denomination, a trend which has been generally followed since, and a chrysanthemum, which was on every Japanese stamp until 1947, in lieu of the actual visage of the emperor.
In 1876, a long definitive series was introduced, with a generally oval inner frame, and inscribed "IMPERIAL JAPANESE POST".
In accordance with UPU regulations, in 1966, Japanese started including the name "NIPPON" in Latin characters in addition to the Latin-character denomination.