Acquiring Stamp #068 is tedious to achieve by guessing. To find the code for the Keitel's safe, go to his four sons' houses and look at the numbers of fish on the portrait, (e.g. Bunger's green portrait: 1, Ross's red portrait: 8). After you guessed the correct code, players will acquire the one of the most helpful items in the Choro-Q HG 2 world called the Coin Radar which helps in finding the Choro-Q Coins scattered around the world.