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Pseudonym reading Ishibocho
Specified type Prefecture designation
Type Archaeological Material
Designated date August 28, 1990
Specified details
quantity 2 pieces
location Oshu-shi, Izawa-ku, Minamitsuta-ji Shimizu
owner Hisada Chida
Holding group
Management organization
home page Iwate's Cultural Information Encyclopedia (Yayoi Iwate)
Iwate Prefectural Museum (Ishikencho)


Long axis (1) 19.6 cm, (2) 18.4 cm.
Short axis 5.0 cm, 5.8 cm.
Thickness 0.7 cm, 0.9 cm.
Weight 108 g, 134.4 g.
Both are made of slate.
The blade is in the bay and the back is also in the bay slightly.
It has a spindle-shaped form.
Although it is a rice picking tool accompanying rice cultivation during Yayoi period, there are three cases found in this prefecture.
The two cases in this case were excavated during the repair work of Moi Raidani, Shimizu, Izawa-ku, Oshu city, in 1975.
Both are perfect and valuable.