Philadria d.o.o. - catalog 21st auction - April 2019
Other countries–Stamps of Slovenian interest
,P 148 a, b,Industry, 10 din. postcard, images of cities in Yugoslavia. (Postcard 148a of 88 different motifs (of 98 existing) and 148b, 70 different motifs (of 98 existing), mostly unused with some duplicates.