Form for PO box payment used in the city of Calafate on 1/JA/62, with SPECTACULAR postage for $390 consisting of GJ.1220 x45 + GJ.1148 x3 (2 stamps damaged by punch holes), very fine!
UPU Congress: Proposal of book with instructions printed in several languages about how to check the identity of people cashing money orders etc. with the photo and signature on the postal coupon, VF and interesting!