960 Réis - João Prince Regent Counterstanped Mexico 8 Reales, KM#105

Emissor State of Minas Gerais (Brazil)
Ano 1808
Tipo Standard circulation coin
Valor
Moeda
Composição Silver (.917)
Peso 27.07 g
Diâmetro 39 mm
Espessura
Formato Round
Técnica Counterstamped
Orientação
Gravador(es)
Em circulação até
Referência(s) KM#245
Descrição do anverso Circular counterstamp with reeeded border containing crowned arms and value. On host coin Mexico 8 Reales KM# 105.
Escrita do anverso Latin
Legenda do anverso 960
Descrição do reverso Circular counterstamp with reeded border containing armillary sphere. On reverse of host coin.
Escrita do reverso
Legenda do reverso
Bordo
Casa da moeda
Tiragem ND (1808)
ID Numisquare 3811540135
Informações adicionais

Historical Context: The 1808 960 Réis marks a critical juncture in Luso-Brazilian history. Following Napoleon's invasion, the Portuguese Royal Family, led by Prince Regent João, relocated to Brazil. This necessitated a stable, high-denomination currency. Instead of new minting, foreign silver 8 Reales, primarily Mexican, were counterstamped to 960 Réis. This pragmatic act affirmed Portuguese monetary sovereignty in its new imperial capital, ensuring economic continuity during a period of profound geopolitical shift.

Artistry: The aesthetic significance of this issue lies in the functional artistry of the counterstamp. The host coin, a Mexican 8 Reales (KM#245), typically featured a Spanish monarch's bust and the Pillars of Hercules. The Brazilian counterstamp (KM#105) usually presents a crowned "J" or "JR" monogram and the value "960" within a cartouche, often applied over the original bust. This concise mark served as a powerful declaration of the coin's revalidated legal tender status and value under the Portuguese crown.

Technical/Grading: The technical qualities of the 960 Réis are inherently tied to its counterstamped nature. The host Mexican 8 Reales, with its .917 silver purity, 27.07 gram weight, and 39 mm diameter, provides a robust canvas. For grading, clarity and completeness of the counterstamp are paramount. High-points include the crown's details, the monogram's serifs, and the "960" numerals. Counterstamps often exhibit varying strike depths, sometimes causing ghosting. The underlying wear of the host coin significantly impacts overall appeal, with sharply impressed counterstamps on well-preserved hosts being highly prized.

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