1928 Professional Baseball Leagues Convention Attendees Credential Pin Toronto Aaron Sanchez October 18

October 18

1981 ticket and program for The Police Picnic

1936 - April 12

Due to feuding between the NHL and the WHA

1928 Professional Baseball Leagues Convention Attendees Credential Pin Toronto Aaron Sanchez October 181928 attendees credential pin for the National Association of Professional Baseball Leagues Convention in Toronto, Ontario, with pin backed rectangular segment Pin reads "The National Assn Professional Baseball Leagues 1928 Convention" in raised lettering on a baseball motif Stamped on back with "M. Rosenthal, Toronto" Rectangular segment sits above with a green, yellow, and red enamel maple leaf and slot where an attendee's name could be inserted The