کاتالوگ
| صادرکننده | Guinea-Bissau (1976-date) |
|---|---|
| سال | 1977 |
| نوع | Commemorative circulation coin |
| ارزش | 20 Pesos (20 GWP) |
| واحد پول | Peso (1975-1997) |
| ترکیب | Copper-nickel (75% Copper, 25% Nickel) |
| وزن | 13 g |
| قطر | 32 mm |
| ضخامت | 2.05 mm |
| شکل | Round |
| تکنیک | Milled |
| جهت | Medal alignment ↑↑ |
| حکاک(ها) | |
| در گردش تا | May 1997 |
| مرجع(ها) | KM#21, Schön#21 |
| توضیحات روی سکه | National arms, date below |
|---|---|
| خط روی سکه | Latin |
| نوشتههای روی سکه | REPÚBLICA DA GUINÉ-BISSAU UNIDADE LUTA PROGRESSO * 1977 * |
| توضیحات پشت سکه | Denomination under plant |
| خط پشت سکه | Latin |
| نوشتههای پشت سکه | 20 PESOS |
| لبه | Reeded |
| ضرابخانه | |
| تیراژ ضرب |
1977 - - 2 500 000 |
| شناسه Numisquare | 1209159770 |
| اطلاعات تکمیلی |
Historical Context: Issued by the nascent Republic of Guinea-Bissau in 1977, this 20 Pesos coin belongs to a crucial period of nation-building following its independence. Under President Luís Cabral and the PAIGC, the country focused on establishing sovereignty and economic development. This coin is part of the global Food and Agriculture Organization (FAO) series, an international initiative promoting food security and agricultural development, particularly vital for a young African nation striving for self-sufficiency and progress.
Artistry: The coin's design, typical of the FAO series, emphasizes themes of sustenance and labor. The reverse prominently features a woman carrying a basket of produce on her head, a powerful symbol of agricultural productivity and food security. The obverse displays the national emblem of Guinea-Bissau, including the "UNIDADE LUTA PROGRESSO" motto, flanked by the year 1977. While a specific engraver is often uncredited for these international series, the stylistic approach is direct, conveying a clear message without excessive ornamentation.
Technical/Grading: Struck in copper-nickel (75% Cu, 25% Ni), this 13-gram, 32-millimeter coin is robust and designed for circulation. For grading, key high-points to examine for wear include the woman's hair and the produce in her basket on the reverse, and the finer elements of the national emblem, particularly the star and shell, on the obverse. A well-preserved example will exhibit sharp lines in the agricultural motifs and full definition in the motto and date, reflecting a generally strong strike characteristic of this alloy.