Looking for the font of the numbers on the bills. thank you

Myriad SemiBold  Suggested by jerseygirl 
Serenity Medium  Suggested by donshottype 

Not convinced that the numbers are taken directly from a font, but still looking.
Closest I found was Serenity Medium.

Agree the numbers could have been created by editing Myriad, but the black fill seems to have been derived from the Regular weight rather than the SemiBold
After some editing to eliminate ink traps etc. and applying two parallel lines, one can obtain the following result by editing Myriad Regular, which would work as a close substitute for the numbers in the image: