Talk:Village of Treasures/@comment-26491924-20151105020157/@comment-124.219.170.145-20151105033654

You can easily check to see how much you have when you try and refill your passes.

When you run out, you can click the gold button to refill and when you do, it prompts you.

You have ***** Koban remaining, spend 1000 to refill yes/no

That's probably your safest bet.