The $25 chip is E-1990 (707 made) with an I value ($40-$49)
I believe it's part of a set of 3.
The $7 chip is E-1978 (2007 made) with a D value ($10-$14)
The $5 chip is E-1938 (2007 made) with a C value ($5-$9)

Hope this helps...