Identify the last year to appear on the face of each of these five coins:
Indian Head Penny - last year 19AB
Wheat Penny - last year 19CD
Buffalo Nickel - last year 19EF
Mercury Dime - last year 19GH
90% Silver Quarter - last year 19KL
To check your answers, the sum of the tens year digits should equal 18 and the product of the ones year digits should equal 11,520. In other words:
A+C+E+G+K=18 and
BxDxFxHxL=11,520
The cache is located at
N G7 GA.D7H
W 122 2A.H7H