The first ATC TS in Canada took place at The New Gallery in Calgary, Alberta on September 27. 1997 and was organized by Chuck Stake aka Don Mabie.
first poster:
ATC Trading Session every last Saturday of the month
from 5 - 7 pm
at TRUCK Contemporary Art in Calgary,
Sunalta Community at
2009 10th Avenue SW, Calgary
http://www.artisttradingcards.org/