

Apotheosis of Hercules (recto); Sketches of Horse's Head, Horse's Forequarters, and Altarpiece or Ciborium (verso)
possibly Anton Domenico Gabbiani (Italian, 1652-1726) or Ciro Ferri (Italian, 1634-1689) or possibly after Pietro da Cortona (Italian, 1596-1669)

Blessed Ascending to Heaven
Attributed to Giovanni Francesco Romanelli (Italian, 1610-1662) or Anton Domenico Gabbiani (Italian, 1652-1726)

Apollo and the Muses
Possibly Bartholomaeus Spranger (Flemish, 1546-1611) or Jacob de Wit (Dutch, 1695-1754) or Giacomo del Po (Italian, 1652-1726)