Innocentia, Liberalita and Constantia.

3 engravings, 28,2 x 21,5 cm, laid paper with watermark (fleur-de-lis), unsigned (trimmed just outside the platemark with thread margins.

Plates 1, 3 and 4 from the Series on the Virtues (7 pl.), after designs by Maarten de Vos. Previously thought to have been engraved by the Wierix brothers, they are now recognized as by Adriaen Collaert. Nice dark impressions.
Ref. Hollstein (Wierix), 1191, 1193, 1194.
Joined: Sadeler, Johannes. After Maarten de Vos - Title page and Sol, from the series The Seven Planets (8 pl.). Antwerp, Johannes Sadeler, 1585. 2 engravings, 23,6 x 24,5 cm, laid paper with partial watermarks, signed in the plate at lower right "Joan Sadler sculp. et excud.". Fresh, dark impressions. Ref. Hollstein XXI:517, 518. (5 pcs)