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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 Airmail pair of stamps; the five colour trials printed on the back of obsolete Government Land Charts, with an extra 1s scarlet to display the reverse. &nbsp;Also 1929 (Aug. 26th) first flight from East London to Durban registered cover, signed by Lt. Caspareuthus the pilot; 1932 registered Wyndham cover Cape Town to Johannesburg, also signed Caspareuthus; 1933 Wyndham cover from the first Union Airways flight Durban to Germiston, signed by Lt. Bellin the pilot, and 1933 (Nov. 1st) Greenbaum envelope Durban to Port Elizabeth, first day of the rate reduction to 3d per ½ oz</p>

1929 Airmail Colour Trials and flown covers
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Description

1929 Airmail Colour Trials and flown covers ‡

Description

1929 Airmail Colour Trials and flown covers
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