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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>1929 (Aug. 26th) registered envelope from England with 2½d Control I28 block of four, by Union Castle ship ‘Saxon’ to Cape Town and flown to Port Elizabeth by Major Miller, signed by him. &nbsp;With Aug. 28th overfranked Wyndham registered cover Johannesburg to Cape Town, signed Lt. Bellin, pilot Johannesburg to Port Elizabeth, and Major Miller, Port Elizabeth to Cape Town</p>

1929 (Aug.) scheduled airmail service, two signed covers

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Margin Scheme

1929 (Aug.) scheduled airmail service, two signed covers
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Description

1929 (Aug.) scheduled airmail service, two signed covers ‡

Description

1929 (Aug.) scheduled airmail service, two signed covers
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