1890 used wrapper 1/2 Centavo brown on buff, local used in Buenos Aires, printing error without "Republi" and "Impresos", a little tear at left, rare (Image)

1890 unused wrapper 1 Centavo green on buff wove paper, printing error broken letter R from word "REPUBLICA" and broken line under letter A (Image)

1984, Stamp Exhibitions in Madrid and Buenos Aires complete set of six in se-tenant blocks showing Coat of Arms of Spain and Argentina and the Fleet of Columbus (Santa Maria, Pinta and Nina) etc. in a lot with about 160 se-tenant sets mostly in complete sheets, mint never hinged, Mi. 1684/89, € 960,-- +