J.H. Colton, New York, NY, 1855. Condition: Near Fine. From Colton's General Atlas. Dated 1855 in the plate; published 1857. Map of Pittsburgh includes Allegheny with parts of adjacent burroughs. Slight foxing in margins. Always securely packed and dispatched rapidly. Professional sellers of antiquarian books, maps and prints since 1994. Satisfaction guaranteed. Hand-colored steel engraving. Image 14.75" x 11.75"; sheet 17.25" x 13.75".