The National Society of Belgian Railways, NMBS for short, was founded in 1926. It was the successor to the Administration of State Railways, which was a department within the Ministry of Railways, Telegraphs and Post. In 1929, the first stamps were...
In 1950, the use of the letters OHMS for service stamps was replaced by the letter 'G' for 'Government'. The first stamps to bear the overprinted letter 'G' were the permanent stamps featuring King George VI. The original stamps...
Collectors of Canadian stamps are familiar with them: the service stamps with OHMS and G overprinted on existing postage stamps. OHMS stands for On His Majesty's Service and G for Government. But the stamps that, by means of a perforation, OHMS...
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