Up for consideration this rare antique B. Cooke & Son HULL with tag John Bliss & Co; New York, NY maritime sextant in original case with original key. Measuring 10" wide, 5" tall, by 9 1/4" deep; pictures show good used condition with mirror crack. Note: Dovetailed case being well constructed; holds sextant in place without movement. Please enlarge all pictures to see details.