Japan Letterboxes

1. All Japan letterboxes
2. Mystery boxes
3. Chiba
4. Fukuoka Prefecture
5. Fukushima
6. Hiroshima
7. Hokkaido
8. Hokkaido Prefecture
9. Hyogo
10. Ibaraki Prefecture
11. Ishikawa
12. Ishikawa Prefecture
13. Kanagawa
14. Kanagawa Prefecture
15. Kyoto Prefecture
16. Mie
17. Mie Prefecture
18. Miyagi
19. Miyagi Prefecture
20. Nagano
21. Nagano Prefecture
22. Nara
23. Nara Prefecture
24. Oita Prefecture
25. Okinawa
26. Okinawa Prefecture
27. Osaka
28. Osaka Prefecture
29. Saitama
30. Saitama Prefecture
31. Tochigi
32. Tochigi Prefecture
33. Tokushima Prefecture
34. Tokyo
35. Tokyo Prefecture
36. Tōkyō-to
37. Tottori
38. Wakayama
39. Yamaguchi
40. Yamanashi