Found a copy of StarTropics + manual and letter from Uncle Steve : r/retrogaming
Japan post box hi-res stock photography and images - Alamy
Japan mailbox hi-res stock photography and images - Alamy
Bokksu - Authentic Japanese Snack Box Subscription - Japanese Candy Mystery Box, Monthly Candy Box Containing Various Japanese Snacks: Classic Box : Grocery & Gourmet Food
Unusual Mail Boxes in Japan - Japan Travel
Variety (October 1913) - Lantern
Japan's Post Box Under the Sea
The Japanese Postal Symbol and Other Amusing Mail Trivia
Japan mailbox hi-res stock photography and images - Alamy
Japanese Chicken Curry チキンカレー • Just One Cookbook