50 Fils - Isa Planchet Trial

Đơn vị phát hành Bahrain
Năm 1965
Loại Coin pattern
Mệnh giá 50 Fils (0.050 BHD)
Tiền tệ Dinar (1965-date)
Chất liệu Copper-nickel
Trọng lượng 3.1 g
Đường kính 20 mm
Độ dày
Hình dạng Round
Kỹ thuật Milled
Hướng Medal alignment ↑↑
Nghệ nhân khắc
Lưu hành đến
Tài liệu tham khảo
Mô tả mặt trước Mint mark of the British Royal Mint
Chữ viết mặt trước
Chữ khắc mặt trước
Mô tả mặt sau Mint mark of the British Royal Mint
Chữ viết mặt sau
Chữ khắc mặt sau
Cạnh Reeded
Xưởng đúc
Số lượng đúc ND (1965) - - 1
ID Numisquare 2266561490
Thông tin bổ sung

Historical Context: In 1965, Bahrain, under Sheikh Isa bin Salman Al Khalifa, initiated a pivotal phase of monetary independence. The introduction of the Bahraini Dinar and its subsidiary coinage replaced the Gulf Rupee, asserting national sovereignty. This 50 Fils "Isa Planchet Trial" signifies a crucial pre-production stage, testing the chosen copper-nickel alloy for the new currency. It reflects the meticulous planning behind establishing a robust national monetary system during a period of significant transition.

Artistry: The artistry of this 50 Fils piece, though a trial, reflects the modern numismatic aesthetic of the era, likely influenced by British minting traditions. The engraver, unrecorded, executed a design characteristic of Bahrain's early independent coinage. The obverse typically featured the national emblem or a depiction of Sheikh Isa bin Salman Al Khalifa, symbolizing identity. The reverse displayed the denomination in Arabic and English, with the date, utilizing clear Arabic calligraphy and a clean, authoritative composition.

Technical/Grading: As a planchet trial, the primary technical interest resides in the copper-nickel alloy (3.1g, 20mm). This piece was assessed for its suitability for mass production, focusing on malleability, die-fill, and wear resistance. High-points include raised elements of any central emblem, the ruler's effigy, and intricate Arabic script flourishes. A successful trial would exhibit uniform metal flow, a sharp strike, and strong cartwheel luster, demonstrating the alloy's capacity to render fine details and withstand the striking process.

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