Hi Bjorn,
Your gamble is Bingo !
The cargo/passenger ship BOHINJ in subject, is the original built Gouverner Galopin IMO 5047443
Sister ship of BOHINJ was BOVEC
Both ships were acquired as "second hand" and owned by Splosna plovba, Piran, Slovenia (then YU)
More info:
Built by J. Cockerill SA, Hoboken
Yard No.690
Launched 02.08.1941
Built 1941
Gross tonnage 7724
Names:
GOUVERNER GALOPIN
BOHINJ (from 1959)
Scrapped at Split 2/1972
Best regards
Jadran