The picture shows a view of this Old Unused S.S. Boston Cruise Ship Advertising Post Card. The postcard is not dated but it is believed to be from the 1930s. It has a detailed illustration of the steamer ship at sea. It has a divided back and it is marked on the two sides as follows:
S.S. BOSTON ON EASTERN S.S. LINES. THE UNION NEWS COMPANY. UNCO TRADE MARK REGISTERED POST CARD PLACE STAMP HERE
The post card measures about 5-1/2'' x 3-1/2''. It is in near mint to mint unused condition as pictured.