I'm building a series of three tanks, all from the same unit. All three have two digit turret numbers. My eyes tell me the numbers are white, but for me it's hard to interpret B&W photos. Is yellow a possibility?
![source: imgur.com](../../../i.imgur.com/86aRZMY.jpg)
![source: imgur.com](../../../i.imgur.com/iOszACK.jpg)
The third tank, an M4A3E8 is on page 220 of the Son of Sherman book.