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Stamp 1943, Czechoslovkia London exhibition 5 stamps from s/s (not valid for postage), 1943 - Collecting Stamps - PostBeeld - Online Stamp Shop - Collecting
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Stamp 1942, Niue Fiscal stamps 4v (also valid for postage), 1942 - Collecting Stamps - Freestampcatalogue.com - The free online stampcatalogue with over 500.000 stamps listed.
I have a few 2nd class stamps with a bar code but with the late Queen's head, not the King's. Can I still use them? - Quora
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When do old stamps expire? The last day to use non-barcode stamps and what happens after the deadline
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4x SCHOOL DESEGREGATION Civil Rights Supreme Court 1950's 33c Unused Postage Stamps. Free Shipping 1 Source Best Prices on Vintage Stamps - Etsy UK
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1965 Independence stamp used on reg'd cover, “Stamps Not Valid” cachet & GB Postage Dues applied – AfricaStamps.co.uk
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You now have until 31 July 2023 to use 1st and 2nd class stamps without barcodes after a Royal Mail U-turn – here's what you need to know
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