Artist Trading Cards are 2.5 x 3.5 inch works of art which are not for sale, only for trade.  They can be any medium or style as long as they fit the size requirements.  You can trade cards in person, by mail, or through swaps.  There is an ATC making and trading session which meets once  a month called the SF Bay Area ATC Meetup.  I used to be the organizer for that group but Cheryl White has taken over for me recently.  I have participated in several online swap groups including ATCards.com, ATCOnline, ATC_World, SharpieScouts and ATC Exchange.  They each have their own charms as well as ways of doing things.  I also belong to Project ATC and subscribe to ATC Quarterly.  Soft block carvers have monthly ATC Swaps which change every 3 months - you can find out more about those at the Carving Consortium and EraserCuts Exchange.  If you’d like to do a personal trade with me, just send me an email or send me some cards and I’ll gladly reciprocate. 

My mailing address is: Carla Cryptic, PO Box 1274, Berkeley CA  94701, USA.

For links to ongoing ATC swaps I’ve participated in and can highly recommend, visit the Mail Art Calls page.