Jack Sharkey "Good Luck With... 6/18/67" Signed 2x5 Cut Signature JSA #S21098
Jack Sharkey "Good Luck With... 6/18/67" Signed 2x5 Cut Signature JSA #S21098 is backordered and will ship as soon as it is back in stock.
⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors
Free Shipping on U.S. Orders $99+
Free Shipping on U.S. Orders $99+
After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days.
Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.
60-Day Risk-Free Returns
60-Day Risk-Free Returns
Shop with total confidence. If you're not completely satisfied, return your item within 60 days for a full refund—no questions asked. Your satisfaction is 100% guaranteed.
100% Authenticity Guaranteed
100% Authenticity Guaranteed
All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.
Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.
This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.
Learn more
Fast & Secure Checkout
Own a rare piece of boxing history with this Jack Sharkey Autographed 2x5 Cut Signature, inscribed with “Good Luck With Your Collection 6/18/67.” As the 1932 World Heavyweight Champion, Jack Sharkey remains one of the most storied figures in boxing’s golden era. This collectible isn’t just a signature—it’s a direct link to the legendary fighter who faced icons like Max Schmeling and Joe Louis. Perfect for vintage sports memorabilia enthusiasts and boxing history collectors, this unique signed piece adds prestige to any collection.
Product Features:
- Authentic Jack Sharkey signature with personalized inscription dated “6/18/67.”
- 100% Authentic—includes Certificate of Authenticity (COA) and matching hologram from JSA (James Spence Authentication).
- Signature verifyable through JSA's official website for peace of mind.
- Dimensions: 2x5 inches—ideal for custom framing or display with other boxing memorabilia.
- Historic value: Signed by the former World Heavyweight Champion known for his 1932 bout against Max Schmeling.


