#1770s #18th century #italian painters #italian portraitists #italian artists #grand manner #grand tour #portraits #baron of dunstanville #francis basset #barons #aristocrats #rome #pedestals #classical ruins #bas-reliefs #saint peter's #castel sant'angelo #architectural plans #views #landscapes #baroque art #italian baroque #pompeo batoni #breeches #coats #waistcoats #young men #batoni