Landseer and his connoisseurs
Sir Edwin Landseer (1802-73), painter
George Edward Perine (1837-85), engraver
Mixed method engraving and mezzotint
20.3 cm. x 13.6 cm.
New York Public Library image no. 483023
The Met Museum provides the date here, though only the obvious one, i.e., before Perine's death. [Commentary continues below.]