Postcard may contain which may or may not be visible in scan: ink or pencil writing on front and back, creases, wrinkles, paper loss, edge wear, bumped corners, creased corners, staining, postmark ink which may have bled through to the front, pin holes, tape, scrapbook residue, age toning, foxing, etc.
Please look at the scan to determine the grade and if it suits your needs.