In plate, lower left: Salvator Rosa pinxt,, R. Earlom delint,,; lower center: J. Boydell excudit 1768; lower right: John Browne Sculpsit.; center bottom margin: SAINT JOHN PREACHING IN THE WILDERNESS. / From the Original Picture painted by Salvator Rosa In the Collection of the Right Honourable the Earl of Chesterfield; / To whom this PLATE is most Humbly Dedicated by his Lordship's most Obliged, and most Obedient Servant.; lower left corner: No. 16. \dimensions of the original painting!; center bottom edge: Published May 2d. 1768.; lower right corner: JOHN BOYDELL.
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