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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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1866 entire letter to Vienna, franked by 4d vermilion Plate 8 (AL) & 9d straw Plate 4 (HD) both with Samuel Montagu & Co. unofficial underprint type 47 &nbsp;(Letters 1½mm), tied by London numerals, and ‘PD’ oval in red, backstamped by London d/s for SP 18 and Wien Arrival for 21 IX, archival folds, a very rare cover, offered with an photograph of the underprints. Spec. PP187-PP190

1864 Samuel Montagu & Co. unofficial underprint type 47 (Letters 1½mm), in black on 4d & 9d straw on cover to Vienna

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