Drawing - from Sketchbook - circa 1513

This image is a photo of the book; "eros visible art, sexuality and antiquity in renaissance italy", james granthum turner, 2017. [1] in this book the details of this image are given as: "here attributed to gian giacomo caprotti known as salai, "annunicating angel" (angelo inacrnato) c 1513. Black chalk, electronically 'cleaned' to remove staining, 26. 8 x 19. 7 cm. Private collection, los angeles. "[1] this drawing has also been attributed to leonardo da vinci.