I stumbled on to this online gallery of art collecters and it was kinda cool to see literally hundreds of works of mine online presented by collectors who really liked them.
Lots of paintings and pages I haven't seen for years, as well as con sketches I've done over the last 15 years.
Unfortunately there were 4 or 5 images that were attributed to me and labled DAVID MACK WATERCOLOR PRELIMS. They were pencil sketches with water color washes on them. I don't know if the artist was in on it, or the seller just sold them to a collector claiming they were mine.
I contacted the collector and he bought them from a dealer some years back who said they were my art. So I felt bad for the collector. But kinda weird.