When it comes to collecting sports cards, baseball is king. The history of the sport and tradition of collecting baseball cards spans over a century. With so many legendary players, iconic rookie cards, and valuable vintage issues, there are countless gems to discover in the hobby. While it would be impossible to name every great card, here are some of the most coveted and valuable baseball cards to pursue in a collection.

T206 Honus Wagner (1909) – The crown jewel of card collecting, this is widely considered the most valuable trading card in existence. Only around 60 examples are known to exist in varying conditions. Prices have reached well into the millions for high-grade specimens. What makes it so rare is that Wagner demanded his likeness be removed from the issue, so only a handful slipped into circulation before being pulled.

1952 Topps Mickey Mantle (1952) – As one of the earliest and most recognized Topps issues, Mantle’s rookie is the standard for modern era cards. High-grade versions regularly sell for six-figures due to his legendary Hall of Fame career and iconic status in pinstripes for the Yankees. The 1952 Topps set also features other stars like Willie Mays.

1933 Goudey Babe Ruth (1933) – Released during the golden age of tobacco cards, Goudey’s portrait issue of “The Bambino” is a standout from a highly collectible set. Known for its vibrant color, this Ruth rookie brings a premium despite fewer examples surviving compared to Mantle’s. Condition is critical, with gem mint 10s reaching $200,000+.

1909-11 T206 Ty Cobb (1909-11) – One of the first true “stars” in baseball, Cobb’s aggressive and controversial playing style translated to lasting popularity as a card subject decades later. His numerous poses across the prolifically produced T206 set are consistently in demand, especially in high grades.

1910-14 Cracker Jack Eddie Plank (1910) – A true oddball issue, these Plank cards were inserted in Cracker Jack packs as a promotion by the company. Exceptionally rare, just a handful are known to exist with only one grading a perfect mint condition. Valued over $1 million today.

1988 Score Griffey Jr. Rookie (1988) – Widely seen as the greatest modern era rookie card, Ken Griffey Jr.’s explosive debut and humble personality captivated fans and collectors alike. High grades bring north of $10,000 in a set that was mass produced but is now scarce in pristine condition 25+ years later.

1909 T206 Christie Mathewson (1909) – One of the most accomplised pitchers in baseball history, “Big Six’s” iconic pitching motion translate beautifully to his portrait in the seminal T206 set. High demand due to his Hall of Fame career combined with the set’s larger-than-life artwork and singular mystique.

1909-11 T206 Grover Cleveland Alexander (1909-11) – Known as “Old Pete”, Alexander’s career wins, longevity and dominant years pitching for the Phillies have made him a steady riser among collectors. His T206 images show brilliant detail and color.

1907 Billy Hamilton (1907) – One of the earliest and rarest tobacco era cards, Hamilton was a true 5-tool player before the term existed. He set records in the 19th century that may never be broken. Just a handful are known to exist in high quality from this true “pre-rookie” issue.

1896 Mayo Cut Plug Billy Ripken/Cal Ripken Jr. (1896) – Not actually depicting the famous brothers, these cabinet/car image cards are a total oddball rarity. Only 2-4 are believed to still exist from this obscure tobacco brand. One is the most expensive pre-WWI card ever sold fetching over $100,000 in auction.

1954 Topps Roberto Clemente (1954) – Beyond his Hall of Fame stats and cultural impact as the first Latin American star, Roberto Clemente was truly beloved both in Pittsburgh and beyond. Graded examples of his dazzling rookie card continue climbing due to increased nostalgia and popularity, especially #118 which shows him in a team photo.

1909-11 T206 Joe Jackson (1909-11) – One of the most talented but controversial figures in baseball history due to his involvement in the Black Sox Scandal, “Shoeless Joe’s” notoriety lives on through the game. His images in the landmark T206 set are regularly six-figure hits in top condition.

1957 Topps Willie Mays (1957) – As one of the most accomplished and well-known players ever, the excitement of Mays’ early career shines through in this iconic rookie card. In high demand due to its combination of star power and vintage Topps pedigree.

So in summary – whether seeking investments, trophies for a personal collection, or pieces of baseball history – these are some of the most prominent cards to pursue. Of course, any card featuring Babe Ruth, Mickey Mantle, Honus Wagner and the likes will attract attention. The allure of pre-war tobacco cards and early rookie issues from the 50s will also remain incredibly strong. Focus on acquiring quality examples and protecting condition long-term to realize full potential down the line.