Japan, Hokkaido
Hakodate
Tidal foreshore Source-confirmed findsGray area
What you could find
Reported finds from this shoreline.
Old bottles
Sea potteryAlso reported: Russian and American trade glass.
Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0), NPS (Public domain).
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Why this spot
Victorian bottle era, historically mapped
One of the first two ports opened 1854/1859; northern trade and Russian contact left distinctive debris.
Keep exploring nearby
More spots in this area.