A boy who sat in the stands as a newborn now buys and sells the cards that capture baseball’s biggest moments.
Key points
- Kinunen Jr. turned a childhood love of the Brewers into a card‑buying and selling business called TRK Cards.
- His collection includes rare items like a limited‑edition Jackson Chourio card and a high‑value Jacob Misiorowski rookie autograph.
- Family memorabilia and his father's auction business have shaped his understanding of sports collectibles.
- TRK Cards is active on social media and will be present at local card shows, signaling plans for growth.
Troy Kinunen Jr., a Green Dale, Wis., native, says his first memory of a Milwaukee Brewers game came when he was just days old, and that early exposure has blossomed into a fledgling business called TRK Cards (source: TMJ4).
He recalls starting his collection around age five or six with Pokémon cards before shifting his focus to sports cards, now estimating a personal stash of nearly 500 pieces and attending card shows almost every weekend for the past three years (TMJ4).
From backyard bleachers to a branded card shop
Among his inventory are a Jackson Chourio card limited to 50 copies and a Jacob Misiorowski rookie autograph that he values at over $1,000, underscoring the rarity of some of his finds (TMJ4).
Kinunen’s passion is reinforced by family ties: his father, Troy Kinunen, runs MEARS Auctions, a sports‑memorabilia firm, and the household boasts historic items such as a 1982 World Series home plate and a Robin Yount jersey from Game 5 (TMJ4).
Rare cards and family memorabilia
The younger Kinunen launched the TRK Cards brand last year, promotes his inventory on Instagram and TikTok (@trkcards), and will appear at the Fat Daddy’s card show on Nov. 7 at the Salvation Army in Oak Creek (TMJ4).
Looking ahead, he says the venture is “something I’m looking forward to in my future,” and he hopes to continue learning from his father while expanding his network of fellow collectors (TMJ4).
Reader questions
What is TRK Cards?
TRK Cards is a Milwaukee‑based trading‑card business run by Troy Kinunen Jr., buying and selling sports cards while maintaining a personal collection of about 500 items.
Where can I see Kinunen’s cards in person?
He will be at the Fat Daddy’s card show on Nov. 7 at the Salvation Army in Oak Creek, and he also attends card shows nearly every weekend.
How has his family influenced his collecting?
His father runs a sports‑memorabilia auction house, and the family owns historic Brewers items such as a 1982 World Series home plate and a Robin Yount jersey, providing early exposure to baseball history.
Source: tmj4.com