in main street you will find a fountain and walk where the shiny thing in the water is.
In the fountain
The gold coin in Astro-knights is in the fountain. You will see something glittering in the water, and if you pick it up, it will be the coin. Use it to pay your admission to the Mordred museum.
to get the gold coin on astro knights you go on to the rocket ship fountin. at some point you will see a shimer. and that's were the gold coin is. hope that helps!
there is not a second gold coin
you can get the coin in astro knights island on the fountain
you go to the fountin and jump where it is sparkling and you got a coin.
There is a gold coin outside in the fountain.
Okay. By the foutain in astro knights you should see a shiney spot in there. Then click on the shine and there you have it! The gold coin!(=
find it in the fountain. its glinting
Jump up on the fountain (a gold coin is about halfway up on the right).
The gold coin is in the fountain next to the Mordred Museum (you can see it sparkling).On the fountain, second level to the right.
The coin is in the fountain of the spaceship. Jump in the water (not the one on the ground, the one above it) and you should get it.