Dido and Aeneas Sheltering in a Cave; Francis Cleyn; 1582-1658; German; undated; Gray wash and red chalk on medium; slightly textured; cream laid paper; Sheet: 10 1/4 x 7 3/4 inches (26 x 19.7 cm); allegory; caves; clouds; dogs (animals); eyes; figures; horses (animals); religious and mythological subject; shelter; storm; studies (visual works); wings