All Disney pins in the 20th Anniversary - 4 Pin Set series.
3 pins in catalog
Disney On Ice - Diamonds - 1998 to 2001 - 20th Anniversary - 4 Pin Set
1998
Japan Disney On Ice - Diamonds - 1994 to 1997 - 20th Anniversary - 4 Pin Set
1997
Disney On Ice - Diamonds - 1986 to 1989 - 20th Anniversary - 4 Pin Set
1989