1946 Slovenian coast, Yugoslav occupation, postage due stamps No. 51 and No. 59 overprinted “PORT” and new value in black, gusset I type for No. 14-16 and gusset II type for Nos. 17-19. 5 values, new perfect, mint and never hinged. Catalogue Sassone Postage Due n. 14/19, Euro 160.00.