Crisp copper engraved map with fair detail throughout. The region north of Japan is shown with faint hachures to indicate the coastlines yet to be explored. A notation above the region describes the Parts Unknown. The sea between Japan and Korea is named the Sea of Corea and Korea is depicted with a very truncated shape.
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Condition: A
Dark impression on thick hand laid paper. Folding as issued. Light spot at center, else fine.