The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
A warning dream.

Anything counterfeit in a dream indicates that you may be deceived regarding support you expect from others, so try to arrange to stand on your own feet, unless your dream involved the destruction or rejection of the counterfeit object, in which case it signifies triumph over danger from an unknown enemy.

Mystic Dream Book

by Internet Archive - Anonymous
If you handle Counterfeit coins in a dream, you will be asked to help someone who will make you a good friend.

Dream Dictionary Unlimited

by Margaret Hamilton
A warning that something is not what it appears to be; a sham