Looking at other pictures ... from the QM
http://keithwaynemccoy.com/tag/cunard-white-star/Theoretically if genuine it could have come from the RMS Olympic
or 1 of these
In service for Cunard White Star Line
Ship - year Built - White Star Service period - Tonnage
RMS Olympic 1911 1934–35 45,324 GRT
RMS Mauretania 1906 1934–35 31,950 GRT
RMS Adriatic 1907 Never entered service 24,541 GRT
Ceramic 1913 1934 18,400 GRT
RMS Berengaria 1913 1934–38 51,950 GRT
RMS Homeric 1913 1934–35 35,000 GRT
RMS Aquitania 1914 1934–49 45,650 GRT
RMS Majestic 1914 1934-36 56,551 GRT
RMS Scythia 1921 1934–49 19,700 GRT
RMS Samaria 1922 1934–49 19,700 GRT
RMS Laconia 1922 1934–42 19,700 GRT
RMS Antonia 1922 1934–42 13,900 GRT
Austonia 1922 1934–42 13,900 GRT
RMS Lancastria 1922 1934–40 16,250 GRT
Doric 1923 1934–35 16,484 GRT
Franconia 1923 1934–49 20,200 GRT
RMS Aurania 1924 1934–42 14,000 GRT
RMS Carinthia 1925 1934–40 20,200 GRT
Ascania 1925 1934–49 14,000 GRT
Alaunia 1925 1934–42 14,000 GRT
Calgaric 1927 Never entered service 16,063 GRT
Laurentic 1927 1934-36 18,724 GRT
RMS Britannic 1929 1934–49 26,943 GRT
RMS Georgic 1932 1934–49 27,759 GRT
RMS Queen Mary 1936 1936–49 80,750 GRT
RMS Queen Elizabeth 1940 1940–49 83,650 GRT
RMS Media 1947 1947–49 13,350 GRT
RMS Parthia 1947 1947–49 13,350 GRT
RMS Caronia 1949 1949 34,200 GRT
However.. As some say
It was the Olympic which sank and the Titanic became the Olympic so in theory from a conspiracies groups point of view it could well have come from the Titanic