Inscribed: CAMILLVS S.R.C. PRESB CARD: MAXIMVS / ROMANVS MAGNVS DILECTANS PICTOR ET / ARCHITECTVS NATVS ANNO DOMINI / MDCXV OBIIT DIE XII SEPTEMBRIS. / MDCLXXVII
Numbered at lower right in pen and brown ink: 12 (cancelled) and 2266. (Sparre)

According to Clark adapted from the portrait by Maratti (Rome, Prince Massimo).
[Description i Bjurström "Nicola Pio", Stockholm 1995, no. 121]