When it comes to finding the value of your baseball card collection, it’s important to use reputable sources. Pricing can vary greatly depending on factors like the player, year, condition, and more. Here are some of the top sites to research baseball card values:

Beckett Media – Beckett.com has long been considered the gold standard for baseball card pricing. Their monthly magazine Beckett Baseball provides “Beckett Values” which are based on recent sales from major card shows and auctions. Their website allows you to search by player name and has value listings for PSA-graded cards as well as raw cards in Excellent, Very Good, Good, Poor condition. Prices are updated monthly. Beckett provides a detailed history of how values have changed over time which is useful for long-term investors. They also offer an app version.

Cardboard Connection – Run by veteran card authority Brian Walters, CardboardConnection.com has a huge database with values listed for thousands of individual cards. You can search by player, team, set, and other criteria. The site draws pricing data from recent eBay sales as well as industry conventions to provide a real-world snapshot of current market prices. Condition is rated on a 1-10 scale. In addition to prices, Cardboard Connection offers informative articles about players, sets, and the hobby in general.

PSA Card Price Guide – Even if you don’t plan to grade your cards, the prices listed at PSAcard.com/priceguide can give you a sense of a card’s potential value if it were to receive a high-grade designation from Professional Sports Authenticator, the largest third-party grading service. Search results show PSA population data along with recent sales of PSA-graded cards in various Gem Mint, Mint, and grade levels. This is especially useful for high-end vintage cards.

COMC (Collectors Universe) – As one of the largest online card marketplace sites, COMC.com aggregates recent sale prices for thousands of individual baseball cards based on transactions through their website. You can search by name, set, and other parameters. Condition is rated on a 1-10 scale. While not all cards will necessarily match up exactly, COMC provides a good overview of current secondary market values.

TCDB (Trading Card Database) – Run by hobby enthusiasts, TCDB.com aims to catalog every trading card ever produced with details on sets, players, designs and more. While not focused specifically on pricing, you can search individual baseball cards and it will show the current Market Price Range based on recent eBay and COMC sales to give you a ballpark valuation. Condition is based on a qualitative scale rather than numeric grades.

Ebay “Sold” Listings – When trying to gauge the value of a specific card, checking the prices items recently sold for on eBay can give you the most accurate snapshot of current secondary market demand. Use the “Completed Listings” or “Sold Listings” filters to view recent auction results. Be aware that sometimes hype can inflate prices on very rare cards. Still, eBay is the largest online marketplace and prices there tend to reflect real-world market demand.

Local Card Shops – While they obviously need to factor in a retail markup, local comic book and card specialty shops can still provide a useful reference point for card values, especially for more common mid-grade cards. Browsing their inventory and asking staff about pricing strategies can educate you on local market conditions which may differ from national trends. Just be aware of any potential conflicts of interest compared to third-party guides.

Shows and Conventions – Prices you see at major national or regional card shows tend to be higher than private-party or online sales since dealers have business overhead to consider. Shows provide a great opportunity to directly compare similar cards from multiple vendors to get a consensus price range. Shows are also a good place to network with experts and get their professional valuation opinions on valuable vintage cards.

Auction Price Records – Sites like PWCCMarketplace.com aggregate results from major auction houses like Heritage, Lelands, and Grey Flannel to provide a long-term pricing history view for significant vintage cards that have crossed the block multiple times. While out of reach for most collectors, record auction prices help establish a card’s potential ceiling value for grading scale or condition benchmarks.

Using a combination of sources is best for getting an accurate baseball card value assessment. Consider guidelines from publications like Beckett alongside real recent sales data points from sites pulling directly from the secondary market like eBay, COMC, Cardboard Connection and consignment auction results. Local shops and shows can offer additional reference points as well. With diligent research across reputable resources, you can feel confident in understanding the worth of your collection.