This bird's-eye plan shows the city before part of the Receiving Basin was filled to create Commonwealth Avenue and Back Bay neighborhood. A large inset depicts a "Plan of East Boston." The map is very finely engraved, likely on steel, and has a reference locating 24 important places.
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Condition: B+
Issued folding, printed on banknote style paper, with light toning and a couple of tiny separations along the folds.