High Pressure Steamboat Mayflower. Original lithograph with hand colour. Published N. Currier 1855. 150 Nassau Street New York. Image size 16.3/8" x 28.1/8". Image is good but at some point the print has been mounted 1/8" to 1/4" into the image to hide defects in the margins. The loose fitted mount bears a printed title and a copy of the signature in ink. Email for a fuller condition report.