I actually thought about that, but decided to proceed forward despite whether value increased or decreased. This will never be sold by me.
At the time I bought this I had never shot a 10mm. I was going into open heart surgery at that time and just got it probably as a distraction from possibility dying very soon. I had 6 bypasses and am still here 3 years later. Since I enjoy working on stuff this has been a fun project for me.
Edit: This is one I worked on earlier this year I did respect the potential collector interest in: