beatricefairfax

Likely a concert of Nahan Franko (July 23, 1861 – June 7, 1930), American violinist, conductor and concert promoter. en.wikipedia.org/wiki/Nahan_Franko

At the Polo Grounds in Manhattan, September 10, 1916, filming of a scene in the movie "Play Ball", concert by Nathan [Sic] Franko, and baseball game : news.google.com/newspapers?nid=336&dat=19160909&i...

Rose "Rosie" Dolly (October 25, 1892 – February 1, 1970) and Jenny Dolly (October 25, 1892 – June 1, 1941), known professionally as The Dolly Sisters, were Hungarian-American identical twin dancers and actresses. en.wikipedia.org/wiki/Dolly_Sisters

see also

Related to the film "Play Ball", in which a baseball game scene took place at the Polo Grounds. See notes under

Harry Fox, pictured in this series, was married to one of the Dolly Sisters.

At left is Millicent Hearst, wife of William Randolph Hearst.

Presumably en.wikipedia.org/wiki/Harry_Fox and en.wikipedia.org/wiki/John_McGraw

Related to the 1916 film "Play Ball", in which a baseball game scene featured the Giants manager and Harry Fox. That's Olive Thomas standing in the box at left. See notes under

Thanks all, we'll beef up the record.