Most Canon models have the serial number printed on a label on the bottom of the camera . EOS-1 Series: Often engraved in white beneath the label.
Maya looked up. “Mr. Tan, this is a Japanese domestic model. It’s cheaper, yes. But in Malaysia, no service center will touch it without a surcharge. And the menu is Japanese-only unless I hack the firmware, which voids everything.” Canon Camera Serial Number Check Asia
Photography forums in India and the Philippines are filled with horror stories of used gear being sold with wiped metadata. A serial number check can reveal if a camera has been reported stolen to local police or Canon databases. Most Canon models have the serial number printed