Sold for: £40
This Royal Mint presentation set, titled Stages of Production, documents the manufacturing process of the first United Kingdom bi-colour two-pound coin. The set includes a group of numismatic items: a cupro-nickel inner blank, a nickel-brass outer blank, an assembly unit featuring a raised and lettered outer edge with a pierced and grooved inner rim, and a completed trial piece. The trial piece bears the obverse inscriptions ROYAL MINT TRIAL and 1994. Technical specifications provided in the packaging state the inner core is composed of cupro-nickel (75% copper, 25% nickel) and the outer ring is nickel-brass (76% copper, 20% zinc, 4% nickel). The collection is housed in an illustrated blue folder with a matching protective outer sleeve.
Inner core diameter: 19.80mm
Outer ring diameter: 28.40mm
Weight: 12.00g.
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