Welcome to SpenceLOA.com!

JSA is the foremost autograph authentication service in the world! 

Enhance the value of your signed collectibles with a JSA Letter of Authenticity!


We now operate our authentication service in two convenient locations:


Parsippany, NJ & Fort Lauderdale, FL

 

 2011201392526image001.jpg

 

Take advantage of our office visit service and schedule an appointment now! 


Please contact either office to connect with a JSA representative for more information:


New Jersey Location

2 Sylvan Way - Suite 102

Parsippany, NJ 07054

JSA-NJ: 973-898-1300

JSA-NJ: Info@SpenceLOA.com


------

 

Florida Location

3223 N.W. 10th Terrace, Suite 604

Fort Lauderdale, FL 33309

JSA-FL: 954-380-8670

JSA-FL: Florida@SpenceLOA.com

 

We look forward to authenticating your autographed memorabilia!

Search JSA Events
Event Month:
AND /OR Event State:

Diamond King Sports
Greenland    New Hampshire

Shriner Show (MA)
Wilmington    Massachusetts

Beverly Hills Baseball Cards
Los Angeles    California
View all
  • Earle Combs Handwriting Analysis The Signing Habits and Autograph Analysis of Hall of Famer Earle Combs. SpenceLOA.com will now offer access to James Spence, Jr.'s handwriting analysis articles!
    Read More
  • Team-Signed Baseball Book Own your copy of James Spence, Jr and John Mitnick's, co-authored, Team-Signed baseball reference book! Expand your knowledge in your most prized team-signed artifacts!
    Read More
  • JSA/BGS baseball encapsulation JSA/BGS ball grading/encapsulation is here! Take advantage of the hobby's most eye appealing, preservation of baseballs!
    Read More
  • WPP Promoters and Dealers alike love this program because it allows JSA to "witness" the actual signing of an item by the athlete/celebrity therefore, removing any doubt that the items they sell are authentic. Want to set up JSA at your next private/public signing? Contact Miglionico@Verizon.net
    Read More
  • JSA On-Site in Jacksonville, FL JSA was featured in the Jacksonville Times-Union and appeared at a local show for on-site autograph authentication. Click here to read the featured article!
    Read More