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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>1925 Experimental Airmail Service. &nbsp;12 Feb from England, failed to connect with the service; 5 Mar with full Airmail set from Mossel Bay; 5 Mar Cape Town - Durban; 5 Mar England to Graaf Reinet, flown Cape Town to Port Elizabeth via Oudtshoorn; 5 Mar Malvern to East London; 7 Mar Oudtshoorn to England, signed by pilot W.H. Burger; 9 Mar East London to Pretoria, the franking not including the required Union definitive stamp, but untaxed; May 23 Cape Town to East London; June 11 Durban to Sussex; June 11 Durban to Cape Town. &nbsp;Only the first and the last without the special airmail cachet; a good group</p>

1925 Experimental Airmail Service group
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Description

1925 Experimental Airmail Service group ‡

Description

1925 Experimental Airmail Service group
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