Cambodian Carving of “Stegosaurus”: An artifact in Ta Prohm Temple shows what some interpret as a dinosaur-like creature with plates on its back.
Bishop Bell’s Tomb in Carlisle Cathedral (England): Brass inlays depict creatures with long necks and tails, similar to dinosaurs.
Chinese Zodiac: Includes dragons alongside real animals, suggesting dragons may represent dinosaurs.
Narmer Palette and Other Historical Artifacts: Depictions of creatures with intertwined long necks similar to sauropods.
Mesopotamia cylinder seals dinosaurs: Depictions of creatures with intertwined long necks similar to sauropods.
Many More: https://www.genesispark.com/exhibits/evidence/historical/ancient/dinosaur/
http://paleo.cc/ce/dino-art.htm