1991-12-28: InternationalPhilatelic Exhibition "IBEROPRENFIL '92", B.A.

1991-12-28: Birds 1991

1991-12-14: Personalities - 1991

1991-11-30: Christmas 1991

1991-11-30: Anniversaries - 1991

1991-11-09: America - UPAEP (1991)

1991-10: Mail Box

1991-09-14: Anniversary of towns foundation - La Rioja

1991-08-03: 75th ann. of air crossing of Andes by E. Bradley & A.Zuloaga

1991-08-03: 700 years of the Swiss Confederation

1991-08-03: Humor and Cartoons - 1991

1991-06-29: ESPAMER '91 - Women's artistic gymnastics

1991-06-01: Juan Manuel de Rosas (1793-1877)

1991-05-04: Espamer '91 - Motor racing

1991-05-04: Argentine Painters - 1991