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| 表面の説明 | Draped bust of Empress Maria Theresia facing right, her hair elaborately dressed and ornamented, set within an oval wreath of laurel branches tied with a ribbon bow at the base. The circular legend surrounds the wreath in the outer field, separated from it by a plain border. The effigy is rendered in the Baroque court portrait style characteristic of mid-18th-century Austrian coinage. |
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| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | Crowned double-headed imperial eagle displayed, its breast bearing a shield charged with the Styrian panther, the whole device resting upon a rectangular pedestal inscribed with the denomination numeral 20. Flanking the pedestal are decorative sprays of palm and laurel branches. The circular legend, containing the date and titles of the empress, runs around the outer field within a milled border. |
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| 裏面の銘文 | ログイン して詳細を見る |
| 縁 | ログイン して詳細を見る |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | ログイン して詳細を見る |
| 追加情報 |
Maria Theresia's monetary reforms of the early 1750s were the direct impetus for this issue — the Kremnitz, Vienna, and Graz mints were all brought into conformity under the Conventionsthaler standard established by the convention with Bavaria in 1753, fixing the thaler at 120 Kreuzer and rationalizing a system that had fragmented badly across the Habsburg hereditary lands. Graz, as the administrative center of Inner Austria, maintained its own mint throughout this period though it would be shuttered before the end of the century.
The Her. references spanning 863–873 indicate at least eleven distinct die varieties across the eleven-year run — collectors working this series typically find the later Graz dates considerably harder to source than Vienna contemporaries.