The font is Futura Condensed. In 1997, the team switched to rounded numbers on the jersey to match the font on the helmets. Click on the link below for more information.
Shadow black consend is the highest based font used for the Philadelpha Eagles jerseys
There are many different fonts used for different teams. There is no standardised font for numbers or names. However, there are examples of fonts in the "Related Links" section
PERCIVAL in tiger font
It is a Nike font (Ithaca).
Those fonts were the standard baseball fonts throughout the early 30's and 40's. Join www.sportslogos.net in the forum section. there is a thread there where almost every MLB font can be downloaded, including the RedSox front jersey letters. The back name letters and Numerals are also available. the font for the numbers is MLB RedSox, for the Front of jersey script, it is MLB Tuscan.