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A H Baldwin & Sons Ltd has a history that dates back to 1872, and is one of the largest and longest established numismatic dealers and auction houses in the world. As a distinguished name in the numismatic trade, they have seamlessly transitioned into the world of bullion, bringing unparalleled expertise and commitment to quality to a broader audience.

Established in 1872, Baldwin's has been a cornerstone of the numismatic trade, earning a reputation for integrity, authenticity, and a passion for the rare and precious. For over a century and a half, we have been at the forefront of preserving and promoting the art and history encapsulated within rare coins and precious metals.

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<p>1840 1d Mulready envelope (Forme 3, Stereo A158). Very fine example overprinted SPECIMEN type 2 in black, side flaps removed as on all "specimen" envelopes. Rare, very few one penny envelopes have been recorded overprinted SPECIMEN; each stereo is unique. 1994 BPA Certificate</p>

GB 1840 SG ME2s Mulready envelope Specimen

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GB 1840 SG ME2s Mulready envelope Specimen

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