Vietnam 1987 3 Cortinarius violaceus Vietnam 1987 4 Polyporus squamosus Year of issue: 1983 Year of issue: 1987 Year of issue: 1987 Year of issue: 1990 Year of issue: 1991 Year of issue: 1991 Year of issue: 1991 Year of issue: 1991 Year of issue: 1996 Year of issue: 1996 Year of issue: 2001
