2021/10/06 - Go to Hyogo prefectural library
I visited post offices before going to the library for personal research.
Akashi Chaemba post office is near the border between Akashi and Kobe city.
Visited post offices
In sequence, there are photos of post offices where I visited. Click a photo to enlarge.
Refer to the following map for a footprint (Movement in the Akashi castle ruins) by GPS on the day.