Stamps and Postal History of the World

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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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1902 1d plate proof in green, imperforate right marginal block of twelve, without watermark on thin card. Very fine. SG 215 var

1902 1d plate proof in green, imperforate...

Margin Scheme

1902 1d plate proof in green, imperforate...

Description