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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><strong>Airmails - Postal History: </strong>1930 (24 Mai) cover to New York franked Rs5$000 surcharge with envelope endorsed ‘Via GRAF ZEPPELIN’ and a similarly dated cover to Vienna franked Re10$000 with large violet First Flight cachet; good to fine condition.</p>

Brazil Airmails 1930 Graf Zeppelin surcharges covers

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