To find the serial number on a CF card, you should remove the CF card from the camera and look for the serial number located on the edge of the card.
Visit the official Lexar Verification Page or scan the QR code to verify the authenticity of your product. check lexar serial number
Check the product packaging if the sticker on the device has worn off. 2. How to Verify Authenticity (Check Lexar Serial Number) To find the serial number on a CF