Saint John the Baptist is a High Renaissance oil painting on walnut wood by Leonardo da Vinci. Likely to have been completed between 1513 and 1516, it is believed to be his final painting. Its original size was 69 by 57 centimetres. Leonardo da Vinci, 1514 — painted at 62. Panel and oil paint. 69 × 57 cm. In the Department of Paintings of the Louvre. High Renaissance. Wiki link