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| 正面描述 | Central field features the crowned Polish eagle displayed, without a crown on the shield on its breast, rendered in relief against a smooth field, with the mint mark below. Surrounding the eagle in an inner circle are the commemorative dates 1944 and 1974 interspersed with the Roman numeral XXX formed by stylized decorative elements. The circular outer legend reads POLSKA RZECZPOSPOLITA LUDOWA, separated by dot ornaments, with the denomination ZŁ 20 ZŁ inscribed at the bottom. |
|---|---|
| 正面文字 | 登录 以查看详情 |
| 正面铭文 | POLSKA . RZECZPOSPOLITA . LUDOWA ▪ ZŁ 20 ZŁ ▪ - 1944 - XXX - 1974 - mw |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
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| 附加信息 |
Trial strikes from Mennica Polska in the 1970s occupy an oddly specific niche: produced for internal approval purposes within the centrally planned economy, they required sign-off through a bureaucratic chain that often meant multiple compositional and dimensional variants were struck before a type was authorized. This piece is one such pre-production specimen, distinct from the issued circulation type. The Fischer and ParM references both catalog Polish próby with enough granularity to distinguish sub-variants — the "b" suffix here indicates this is not the primary trial submission but a secondary attempt, likely differing in alloy specification or surface treatment from the "a" variant.