1991-12-18: Christmas 1991; Praying Child, J Reynolds

1991-11-01: Social Security Administration, 50th Anniv.

1991-10-21: Surcharged

1991-10-11: Basketball, cent.

1991-10-11: Discovery of America, 500th Anniv.

1991-09-13: National Philatelic Exhibition

1991-05-24: Costa Rica-Panama Border Treaty, 50th Anniv.

1991-03-25: National Theater.