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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>1912-24 ½d deep bright green (watermark Royal Cypher reversed) right marginal interpane block of eight (2x4), with complete ‘POSTAGE’ watermark on stamps and complete ‘POSTAGE’ watermark inverted in margin, mint, unmounted o.g. which is slightly yellowish. Fold between interpane and lower block with a couple of split perfs, nevertheless a very scarce positional piece. Hendon opinion (2023), Spec. N14(7)yc, SG 352var, £4,250.</p>

GB 1912-24 ½d complete ‘POSTAGE’ watermark on stamps and ditto inverted in margin Spec. N14(7)yc

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KGV Mackennals mainly mint shades collection in two stockbooks from 1/2d - 1/- with many certificates. For valuation.

Margin Scheme

GB 1912-24 ½d complete ‘POSTAGE’ watermark on stamps and ditto inverted in margin Spec. N14(7)yc

Description