Dragon Warrior III/Medals

The Medal King Mansion is found in the Well in Aliahan.

Reward
The Rewards are accumulated. For example you gave 5 Medals to Medal King to get Spingy Whip, then you only need 5 more to get Garter Belt.

Where are the Medals
You only need 100 Small Medals to get all Rewards, but there are over 110 Medals in the Game. So it don't matter if you missed a few.