Philadria d.o.o. - catalog 20th auction - October 2018
*,61/3, 61/3 (3),Landscapes, Additional values. One set in original colour and three sets in changed colours, all mint, hinged, generally good quality (two stamps in changed colours have faults - 12 hel. red has a brown stain in gum, 60 hel. blue has a slightly thinned spot).