Results: 6
Macau › Special Administrative Region › 1992 - 2025
1 pataca = 100 avos
  | 20 avos 1993 - 1998 Brass, 2.8g, ø 20mm KM# 71 · Circulation coins |
  | 20 avos, Macao's Return to China 1999 Brass, 3.26g, ø 19.5mm KM# 112 · Commemorative coins |
Macau › Portuguese Overseas Province › 1952 - 1991
1 pataca = 100 avos
  | 20 avos 1982 - 1985 Brass, 4.7g, ø 21.1mm KM# 21 · Circulation coins |
  | 20 avos 1982 - 1985 Silver 0.925 KM# 21a · Collector coins |
  | 20 avos 1982 Gold 0.917 KM# 21b · Collector coins |
 | 20 avos 1982 Platinum 0.950 KM# 21c · Collector coins |