Auction # 2006 WORLDWIDE + ARGENTINA: Selection of covers of all periods, cards, postal stationeries and more!

MIXED POSTAGE AND TWIN VALUES: Cover sent from Rosario to Buenos Aires on 11/DE/1899 with rare 5c. postage including twin values of 2c. of issues Seated Liberty (GJ.219) and "Tres Proceres" (GJ.176) + one example of 1c. (GJ.175) to complete the 5c rate. With rare cancel of SUCURSAL GRAL. BROWN (Rosario) (arrival backstamp), very rare piece with 2 equal values from different issues, very few known!