American whaler Leo departed to sea in 1820

Made by John Heaviside Clark (circa 1771-1863) Flensing in progress around 1814

Of Nantucket, master Henry Cottle, departed on 20 October 1820 to the Pacific Ocean, returned on 7 June 1823, 1.108 barrels sperm oil, broken up at Nantucket after arriving at home.

Source

Catalogue of Nantucket Whalers and their voyages from 1815 to 1870. Hussey&Robinson, Nantucket, 1876.