1948-1950 Exhibit Supply Co. Baseball's Great Hall of Fame Robert "Lefty" Grove
Robert "Lefty" Grove · Exhibit Supply Co. (ESCO) · Base / Vintage Exhibit Card

Player
Robert "Lefty" Grove
Set
Exhibit Supply Co. (ESCO) Baseball's Great Hall of Fame
Year
1948-1950
Card #
Not visible (Unnumbered series)
Condition Grade
PSA 3 (VG) or PSA 4 (VG-EX) Estimate. Centering is shifted slightly right. Corners show visible softening but no major creases are apparent. Surface appears clean with typical age toning.
Category
Base / Vintage Exhibit Card
Manufacturer
Exhibit Supply Co. (ESCO)
Demand Level
Moderate. Lefty Grove is a legend of the game, part of the 300-win club, ensuring a steady base of HOF set collectors. Exhibits have a niche but dedicated following.
Valuation
Raw (Ungraded) Value
$25 - $50
Graded Value
PSA 3: $40-$60; PSA 4: $75-$100; PSA 5: $130-$160
Comparable Sales
Recent raw sales for mid-grade Lefty Grove Exhibits range from $30 to $45. PSA 4 examples have historically sold in the $80-$110 range depending on the eye appeal of the columns and signature.
Description
A classic oversized Exhibit card featuring Hall of Fame pitcher Lefty Grove. The card utilizes a sepia-toned 'bi-chrome' aesthetic with a 'Baseball's Great Hall of Fame' header flanked by Greco-Roman columns. It features a script signature of 'Robert Lefty Grove' and a short statistical biography at the bottom noting his 300 wins and tenure with Philadelphia and Boston.
Key Features
Hall of Fame subject; Iconic Exhibit Supply Co. postcard size (approx 3-3/8" by 5-3/8"); Part of the prestigious HOF subset produced in the late 40s.
Authenticity Indicators
Confidence: High. The card shows correct stock thickness (heavy, postcard-like) and the 'AN EXHIBIT CARD' and 'MADE IN U.S.A.' text alignment matches known authentic examples. The half-tone printing pattern is consistent with ESCO production from the 1940s.
Flaws to Note
Rounding on all four corners; minor edge wear on the right side; typical yellowing/toning of the vintage card stock; centering is approximately 65/35 left-to-right.
Selling Guide
Where to Sell
eBay is the best platform for this specific card due to the high volume of Exhibit collectors. For a higher-grade specimen, a specialized sports auction house like Robert Edward Auctions would be appropriate.
Selling Tips
Do not grade this card unless you believe it will hit a PSA 5 or higher, as the grading fees will outweigh the value added for low-grade vintage. Use 'Exhibit Card' and 'HOF' in the title. Ship in a dedicated oversized top loader to prevent bending.