George,
I'm not a baseball guy, but I do know that Victor and Wright & Ditson were consolidated in 1918, and that the company was renamed the A.J. Reach, Wright & Ditson Company in 1928. So, the ball would date to between 1918 and 1928.
http://www.antiquefootball.com/wright_ditson.htm
Chris
www.antiquefootball.com