Auction # 2438 ARGENTINA: Special October auction

GJ.16e, 4R. green, blurred impression, with VARIETY "inscription and top frame broken", uncancelled franking a cover sent from San Nicolás to Rosario, with double ogive dispatching mark. Normally these letters from San Nicolás had the postal mark separated from the postage, which was cancelled by a Z-shaped pen cancel, rare, with Alberto Solari certificate