Revenue stamp

Revenue stamps are all sorts of stamps issued by governments or government-related organisations to pay taxes or services other than mail or telegraph services.

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  Canada (1897): Electric light inspection stamp
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  Canada (1897): Gas inspection stamp
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  USA (1898): half cent revenue stamp
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  USA (1930): 2 cents revenue stamp
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  British passport stamp 1910-36
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  Italy/Libya (1930): visa Tripoli paid using 5 lire revenue stamp
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  Swiss visa issued 1931 paid using 5 CHF revenue stamp
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  Poland (1907): Warsaw tax stamp
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  Poland (1972): passport stamp
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  Poland (1988): passport stamps