Serena Williams Rookie Card: Which One It Is and How to Identify It

• 2003 NetPro Tennis #1 (NetPro): If you're looking for a traditional Serena Williams rookie card, 2003 NetPro Tennis delivered her first pack-inserted card.

• Base card is a horizontal-format action shot: the base card is a nice action shot in horizontal format.
• A short-print glossy factory-set variant exists, numbered to 5,000: there is a short-print variant numbered to 5,000 copies in a glossy factory-set version.

An earlier 1999 Sports Illustrated for Kids insert (#814) predates this by about four years but is not classified as her official rookie card in the traditional sense.

• Card number and set on the back must match the listing above; "rookie card" is a specific card, not any early card of the player.
• Print quality: genuine cards have crisp text and a regular dot pattern under magnification; reprints and fakes blur, especially in small type.
• Stock and size: compare thickness, gloss and corners against a common card from the same set.
• Chrome and Prizm parallels carry a foil, color or serial-number mark that the base card lacks; the base card is the reference rookie unless the source says otherwise.
• Grading is a separate step; a slab authenticates and grades, and the grading guide explains what the number means.

Shoot the front flat, straight on, in daylight, with all four corners in frame, then the back so the card number and copyright line are readable. For chrome or foil cards, take a second front shot tilted under the light to show the finish. The app reads the player, set and number; the checks above confirm the version.