Physical description
Set of three MMTB Employee's Pass, or Employees Pass, allowing for one trip by an employee - required the month and date to be nipped. Not numbered.
.1 and .2 - grey card, green ink - both used on the same day - April 30
.3 - dark grey card, purple ink - Sept. 19
See also Reg item 949 and 2599 for another examples.
