Miyagi

Probably, Shiogama post office's stamp is an illustration of a bonito.

Shiogama City
#NameStampVisited at
81016ShiogamaShiogama2009/12/08
Natori City
#NameStampVisited at
81383Sendai KukonaiSendai Kukonai2009/12/08
Matsushima Town
#NameStampVisited at
81017MatsushimaMatsushima2009/12/08