Auction # 1915 WORLDWIDE + ARGENTINA: Special April Auction

GJ.134, ¼c. on 12c., red overprint, perf 11½x12, 4 blocks of 56 stamps each, with OVERPRINT IN DIFFERENT SHADES (and also different shades of blue in each block), MNH but some stamps have small stain spots on gum (they can be washed and will lose the gum, but the stamps will be of VF quality), interesting for the specialist. Catalog value US$134+