John Jewell Penstone (1817–1902) was a portrait and genre artist who worked with paint, but is known mainly for his engravings, and has been associated with the Pre-Raphaelite movement. The National Portrait Gallery has two of his stipple engraving, and a lithograph (printed by Nosworthy & Wells).
Can we infer the following?
John Penstone preferred engravings to paintings.
It's impossible to say