Sportscard Guaranty LLC (SGC) is one of the major independent sports card grading companies based in Illinois. Founded in 2000 by former Beckett Grading Service employees, SGC has steadily grown to become one of the biggest names in the hobby alongside PSA and BGS. Some key things to know about SGC graded baseball cards:
History – SGC began as an alternative to the dominant PSA and very expensive BGS. They aimed to offer professional grading at affordable prices while maintaining industry standards. Initially focused just on baseball and basketball, they have since expanded to many sports and non-sports collectibles. Their transparency and customer service helped gain trust among collectors skeptical of new graders.
Grading Process – Like other companies, submitters send raw cards to SGC to be analyzed under specialized lighting and magnification by trained graders. The surface, corners, edges and centering are all assessed on a 10-point scale with descriptions for each numerical grade. Once the numeric grade is determined, qualified graders assign an corresponding verbal grade of Gem Mint, Mint, Near Mint etc. Cards are sealed in tamper-evident holders with the grade clearly marked.
Holder Design – SGC cases feature a white border around the encapsulated card with the grade clearly printed in the lower right corner text. An SGC hologram and barcode authenticates the holder. Recent design changes made the border wider and lettering thicker for improved clarity. The modern case is easier to read than some early SGC holders but retains a clean, basic look some prefer over more ornate designs.
Grading Philosophy – Often considered a ‘tougher’ grader than PSA, SGC aims for accuracy and consistency over chasing the highest potential grades. This philosophy builds confidence in the integrity and reliability of their numeric scale over time. Top SGC grades of Gem Mint 10 and Mint 9 are still quite rare and desirable, maintaining the prestige of a high grade while avoiding inflation.
Value and Populations – Full population data is available on the SGC website to help determine approximate POP reports for each grade of specific serial numbered cards and years. This transparency increases confidence when considering an SGC graded card’s condition and relative scarcity compared to PSA or BGS populations. Top cards still carry strong premiums compared to raw with lower end SGC grades often trading close to raw price points.
Modern Acceptance – Initially met with some collector skepticism, today SGC is widely accepted in the hobby thanks to consistent quality control and proven grading expertise. While some elite, condition sensitive collectors still prefer the top names, savvy investors recognize SGC grades as highly valuable in their own right. Major auction houses like PWCC now regularly feature SGC in their sales with strong sell through rates.
Counterfeit Detection – Advanced holograms, security features in SGC holders and their authentication database make counterfeiting very difficult. SGC works closely with law enforcement to help identify and prosecute counterfeiters in order to protect collectors. They also educate the hobby on counterfeit awareness through online resources.
Customer Service – Multiple surveys rate SGC’s customer service very highly within the industry for quick turnaround times and responsive, knowledgeable staff. Their website is easy to navigate and provides comprehensive educational content including an identifier tool to check grades. On-site grading events give collectors direct access to discuss cards with graders.
In Sum – As one of the most established alternative grading options, SGC has earned solid respect and a significant market share through consistent work, integrity and focus on serving collectors rather than inflating grades. Smart investors recognize the long term value and liquidity of professionally SGC secured cards. While perhaps not embraced by the most elite ‘slab’ enthusiasts, overall SGC has succeeded as its goal as an affordable yet credible grading choice respected across the hobby.