Exploring Stamps: #Philately – Soaking Penny Blacks off an 1840s Wrapper

During his trip to the 2022 Stampex in London, Exploring Stamps watched Bill Barrell removed Penny Black Stamps from an 1840s cover. This revealed an interesting lesson in the world of philatelic rarities and how they can deceive buyers. Also, using Hydrogen Peroxide, Bill removes years of sulfurization to reveal…

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