Williams The Crown Edition, EP-5, O Guage

[john33cd]

I have 2 Williams, The Crown Edition, Milwaukee Roads, EP-5, AA, Unit 1 and 2, #370 and #371 in "O" Guage.  I purchased them when they came out; unfortunately, I do not remember when that was and what was the original price.  Can someone help with the original release date (year) and original price of these units?