English: Postcard, printed without copyright notice (front or back), of the Wilson Lines dock and boats on the Christina River in Wilmington, Delaware, at the foot of Madison Street (near the current Fawly Stadium).
The photo of the card (along with the photo of the back of the card) is from the University of Delaware at the given website. Their metadata includes the following
"Title Wilson Line Boats at Wilmington, Del.
Printer Tichnor Brothers
Printer Location Cambridge, Mass.
Publisher Philadelphia Art Co.
Publisher Location Philadelphia, PA.
Publisher's ID Nos. 118976 ; 15
Publication Date [1915-1930]
Dimensions of Original 14 x 9 cm.
Color or Black and White Color
Type Postcards
Sender's Message? No
Subject Waterfronts
Christiana River
Boats"
The larger boat on the right is the "State of Pennsylvania" (or its identical sister ship the "State of Delaware") which were built and delivered in 1923. The State of Pennsylvania - now sunk and scrapped - is still on the NRHP since April 20, 1979, at the same site on the Christina River.
Date
between 1923 and 1930
date QS:P,+1950-00-00T00:00:00Z/7,P1319,+1923-00-00T00:00:00Z/9,P1326,+1930-00-00T00:00:00Z/9
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description ={{en|1=Postcard, printed without copyright notice (front or back), of the Wilson Lines dock and boats on the Christina River in Wilmington, Delaware, at the foot of Madison Street (near the current Fawly Stadium). The photo