Have you ever dreamed of buying something for a few dollars in a second-hand store and later find out it's worth millions?
It doesn't happen often but it may have happened to West Coast resident Mark Castleray.
Twenty-three years ago, Mr Castleray bought a pencil drawing in a second-hand store and realised it was an original when he touched it and pencil lead rubbed onto his finger.
Now, after years of research, he thinks he might be onto something. Something big.
If proven correct, this drawing could be worth millions.
Watch the video for the full Story report.
