Those Bad Girls cards can be found in the following fine stores:

Washington, DC:
Kennedy Center for the Performing Arts Gift Shop

Palm Beach, FL:
Truffies of Palm Beach

Sarasota, FL:
Write-On Sarasota

Palm Beach, FL:
Truffies of Palm Beach

Newport, OR :
Canyon Way Bookstore

Portland, OR :
CubeSpace

Kennett Square , PA:
Equinox Gifts and Jewelry

Seattle, WA :
Alphabet Soup Children's Bookstore
Best Regards Cards
Epilogue Books
Queen Anne Avenue Books