The place has been in business for 30-40 years...
Maybe.. pick up the phone...
7162829753
As I recall.. they were $9-10 a car.. and they had a couple MM cars and maybe 4-5 WW cars
They also had other PM 3 bay hoppers PTLX, BN, ATSF, UP, SP, and maybe CNW.. Maybe 1 or 2 of each 3 packs.
~Ian