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
12
12345
1234567890
Arianit
SAFWAN
1234567890
Arial
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
It is a Nike font (Ithaca).
PERCIVAL in tiger font
Carlos Valderrama used to wear the No. 10 shirt.