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| 正面描述 | Central field features a raised circular medallion depicting a Mayan ballplayer (jugador de pelota) in dynamic posture, dressed in traditional ceremonial regalia including an elaborate headdress, kneepads, and yoke, rendered in high relief in a style derived from Classic Maya sculptural iconography. Flanking the central figure are two Mayan hieroglyphic cartouches. To the left of the central device, the denomination '20' and the word 'PESOS' appear in bold raised lettering, with the '0' of '20' integrated into a circular ring element. The legend 'CULTURA MAYA' arcs across the upper portion of the coin, while the date '1979' appears at the base, accompanied by the 'Mo' mintmark of the Casa de Moneda de México. The border is decorated with a continuous band of Mayan glyphic motifs, lending an authentically pre-Columbian aesthetic to the design. |
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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | Uniface pattern; the reverse is unfinished and struck as a plain field, characteristic of a uniface trial piece. The surface displays the raw copper planchet with heavy iridescent toning ranging from blue to purple. Faint incuse die-preparation marks and scratch lines are visible across the field. A lightly impressed partial design element — possibly a preliminary sketch or transfer remnant of the Mexican eagle and nopal motif — can be discerned near the center, consistent with an incomplete or abandoned reverse die. The absence of any deliberate legend or device confirms the uniface nature of this pattern. |
| 背面文字 | Latin |
| 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 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 | 登录 以查看详情 |