| COLOMBIA 1890 "CUBIERTAS" Insured Letter Stamps set Scott# G10-G19 mint MH "Cubiertas" - Insured Letter Stamps to be affixed at back of letters which contained valuables, mostly cash. Mint hinged set, quite scarce. |
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| COLOMBIA 1890 "CUBIERTAS" Insured Letter Stamps set Scott# G10-G19 mint MH "Cubiertas" - Insured Letter Stamps to be affixed at back of letters which contained valuables, mostly cash. Mint hinged set, quite scarce. |
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