Selling coins here in Japan is a pain in the butt, especially gold, so even if I wanted to sell it myself, pocket the profit, and rebuy, it'd just be so difficult to do that I'd rather not. So for that alone, I'd probably do what you did. Let them sort it out. Plus honesty is always best. The good karma will come back to you someday.
Good looking coin anyway!
I was really happy with the design when I opened the package, but it looked more brassy in person than gold. I assumed it was 24K, but then decided to look it up and, lo and behold, it is 14K. I'm with you on the PITB aspect of trying to sell it and rebuy. In this case, the lazy way is the honest way is the best way.