Sale No. S25022Please note our Buyer’s Premium has changed to 23% + VAT effective from the 1st of December 2025

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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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1929 10s "Seahorse" plate proof. Very fine and rare imperforate block of four printed in black on hard unwatermarked wove paper from a special curved plate of nine impressions. Most attractive. SG 417var cat £36,000+.

Great Britain 1929 10s "Seahorse" plate proof, SG 417var

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Margin Scheme

Great Britain 1929 10s "Seahorse" plate proof, SG 417var

Description