1970s Walmart tractor and trailer ERTL

1970's Metal Wal-Mart tractor/trailer rig made by ERTL. Tractor/Trailer in very nice condition with only slight daily use scratches. Used only indoors with no rust. Trailer doors open and has operating no jack when trailer is not connected. Wal-Mart logo on both sides of tractor and trailer and at nose top of trailer. Total length when attached is 21 3/4" long. Cab height 6". Trailer height 7 1/4". Trailer width 5 1/8". Very hard to find in this condition. Asking $75.00