Philadria d.o.o. - catalog 21st auction - April 2019
Province of Ljubljana, Italian Occupation
,396, It. 624,Philatelicaly inspired cover showing "mixed franking". Diagonally bisected 1,50 Din Kingdom of Yugoslavia stamp (no need and without authorisation) and with an Italian 20 cent. stamp which was not valid in Province of Ljubljana at the time. Cancelled by Ljubljana and Posta Militare No. 93 (21.4.41) to Triest (24.4.41).