Certificate, dated 10th
September 1914, for one share of capital
stock in the name of Ida M Knipe. Dark brown border. Beautiful vignette of dredging boat at
work The American Dredging Company was responsible for such
projects as the removal of Windmill and Smith's Islands from
Philadelphia in 1893, involving over 20m. cubic yards of
Certificate size is 21
cm high x 30 cm wide (9" x 12").