The Helen Davis Collection of Penguins: Mexico: 1840 (Apr. 15) outer letter sheet from Tampico to France endorsed “Pr. Pinguin Paquebot Anglais” with London Oct. 20, Paris Oct. 22 transit and Le Havre same day arrival backstamps. The H.M.S. Penguin was constructed specifically for packet use and remained in service from 1838 to 1850. Photo. (Image1)