New York Giants players at flag ceremony, Polo Grounds opening day, 1923 (baseball).  From the George Grantham Bain Collection at the Library of congress.
Bain News Service, publisher
<a rel="nofollow" class="external free" href="http://hdl.loc.gov/loc.pnp/ggbain.35835">http://hdl.loc.gov/loc.pnp/ggbain.35835</a>