Zhang Tingji was an Imperial Official who served under multiple Emperors. He was bestowed the title of "Honored" by the Emperor. He was number one is the gov't provincial examination. This seal was carved in fifth month of the Wushen year of 1848 at the age of 80 years old.The annotation is a wise proverb which means "Drunk and sleeping under the pine trees". Zhang Tingji held other titles as he was highly regarded in order to have the title "Honor" and to serve and be trusted by multiple Emperors. The stone is made of Tianhuang stone. The seal measures 3 inches in height, 1.25 inches in width, 1.25 inches in depth. You can google search Chrisite's and Sotheby's to get an idea of his popularity among collectors.