Reunion of two 17th century engravings: - After Hendrick GOLTZIUS (1558-1617), engraved by Matthaus GREUTER (1564-1638). Summer. Etching, inscribed Aestas upper left and in the lower margin, numbered and monogrammed in the plate lower center. Sight size: Height 25 cm - Width 19.2 cm - After Maarten de VOS (1532-1603), engraved and edited by Adriaen COLLAERT (c.1560-1618). Winter: Aeolus. Etching, titled HIEMS AEOLO S at top, "M. de Vos inven / Adrian Collaert sculpt et excudit" in lower center, Latin inscription in lower margin. Sight size: Height 21.5 cm - Width 26.5 cm Paper slightly warped and wet.