William Karlsson Rookie Cards: Values & Price Guide
By Ripbin Research · Updated 2026-06-17 · prices from live market data
The most valuable William Karlsson rookie card is the 2018 SP Authentic William Karlsson #2, worth about $13.07. The top 3 are worth roughly $14.83 combined.
Few cards in the hobby matter more than a star's rookie-year issues — and William Karlsson is no exception. Below are William Karlsson's earliest cards in our catalog (2018), ranked by current market value, with grade-by-grade prices and live listings for each.
The top card on this list runs about $13.07 ungraded; graded copies multiply from there. Values update as the market moves.
#12018 SP Authentic William Karlsson #2
$13.07At $13.07 ungraded, this is the card collectors hunt first. This is the Autograph Limited — scarcer than the base and priced accordingly.
Market snapshot
The top 3 William Karlsson cards are worth a combined $14.83 in raw condition. Most entries remain accessible for new collectors. Values move with the market — each card page above tracks current prices and live listings.
Frequently asked questions
- What is the most valuable William Karlsson rookie card?
- The 2018 SP Authentic William Karlsson #2 tops the list at around $13.07 ungraded — graded copies sell for more.
- Are William Karlsson cards worth money?
- Yes — the top 3 William Karlsson cards alone are worth about $14.83 combined in raw condition.
- Where can I sell William Karlsson cards?
- eBay is the most liquid market — each card above links to live listings. You can also scan your cards with Ripbin to track values and receive bids from collectors.