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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>1920 (6 Jun) envelope to London with red printed ‘O.A.S.’ handstamp at top bearing a fine strike of the very rare F.P.O. No. 406 date stamp of the Indian Expeditionary Force at Batum, red E.F.C. handstamp on reverse (Eastern Front Corps), a fine example of an exceedingly rare envelope from the Indian Expeditionary Russian service</p>

Batum British Occupation 1920 O.A.S. cover to London

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