[pp1972]

Preuzeto sa crwflags.com

Soc. di Nav. a Vap. Istria, Trieste - blue flag, white diamond, blue "S.I.T.".
Source: Brown's Flags and Funnels of British and Foreign Steamship Companies, compiled by F.J.N. Wedge, Glasgow, 1926 [wed26]

Jarig Bakker, 19 February 2005

Istria", Trieste - Serifed initials; the diamond touches the flag's edges. Company name (without `Vapore' which may be a variant): `Società Anonima di Navigazione Istria-Trieste' indicating where the flag's initials came from.  Different kind of blue probably is not significant here.

Jan Mertens, 8 January 2008

Zastava by Magnum

[pp1972]

Izgled / boje zastave i cimunjere, slika iz knjige A. Illustrierter Führer durch Dalmatien (nebst Grado und Istrien) Wien u. Leipzig, 1915.,
skinuto sa facebook-a.

[pp1972]

Istria-Trieste Societa di Navigazione a Vapore - Trieste
skinuto sa stranice cherini.eu

[pp1972]

Oznake kompanije Istria - Trieste, scan iz knjige Parobrodi Jadrana na razglednicama.