text: i got a check from north american commission house saying i won a sweepstakes is it real? they said i have to cash this check then call them probably not. read everything. there is probably some fine print somewhere. also go to www.bbb.org and look them up by company name, or phone number.  i just googled north american commission house and found this: http://www.contracostatimes.com/mld/cctimes/news/local/states/california/14422474.htm