50 Dollars First Probe Beyond the Solar System

発行体 Marshall Islands
年号 1989
種類 Non-circulating coin
額面 50 Dollars (50 USD)
通貨 Dollar (1986-date)
材質 Silver (.999)
重量 31.1 g
直径 38 mm
厚さ 3 mm
形状 Round
製造技法 Milled
向き Medal alignment ↑↑
彫刻師
流通終了年
参考文献 KM#56
表面の説明 Seal of the Marshall Islands, value & date
表面の文字体系 Latin
表面の銘文 REPUBLIC OF THE MARSHALL ISLANDS $50 JEPILPILIN KE EJUKAAN 1989
裏面の説明 PROBE IN OUTER SPACE SHOWING ORBITS OF PLANETS
裏面の文字体系 Latin
裏面の銘文 FIRST PROBE BEYOND THE SOLAR SYSTEM-1983 50 FIFTY DOLLARS
Reeded
鋳造所
鋳造数 1989 - Proof - 25 000
Numisquare ID 3961011400
追加情報

Historical Context: Issued in 1989 by the Republic of the Marshall Islands, this 50 Dollars coin commemorates humanity's first probes venturing beyond the solar system. While Voyager 1's interstellar crossing occurred later, the coin reflects contemporary excitement for deep space missions, particularly the Voyager program, which had already explored the outer planets. As a newly independent nation (1986), the Marshall Islands frequently issued commemorative coinage on globally significant themes to establish its numismatic presence and generate revenue.

Artistry: The specific engraver for KM#56 is not publicly documented, typical for modern commemorative issues. The design adheres to a realistic, illustrative stylistic school, common for scientific themes. The obverse features the national coat of arms, while the reverse prominently depicts a stylized space probe, strongly evocative of the Voyager spacecraft, set against a star-filled void. This artistic choice effectively conveys the vastness of space and humanity's emissary venturing into the unknown, capturing the coin's ambitious theme.

Technical/Grading: Struck in .999 fine silver (31.1 grams, 38 millimeters), this issue was likely produced to proof standards, exhibiting frosted devices against mirrored fields. Key high-points for grading include the intricate details of the space probe, particularly its antennae and scientific instruments, and the fine stars on the reverse. On the obverse, the details within the Marshall Islands' coat of arms, such as the native canoe and coconut tree, should be crisp. A strong, even strike is paramount for optimal eye appeal.

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