Three Standing Figures (recto); Seated Woman and a Male Hermit in Half-length (verso), Stefano da Verona (Stefano di Giovanni d&amp;#39;Arbosio di Francia) (Italian, Paris or Pavia ca. 1374/75–after 1438 Verona), Pen and brown ink, over traces of charcoal or black chalk (recto); pen and brown ink, brush with touches of brown wash, over traces of charcoal or black chalk (verso)