Zhè wèi lǎorén shì jiù Shànghǎi shēnghuó de huóbiāoběn.
This old man is a living specimen of life in old Shanghai.
Tips
usage
标本 usually means a specimen (as in biology or museums). Adding 活 (living) makes the case vivid and contemporary rather than dead and historical. Can be complimentary or damning depending on context.