Alex Przygoda, Author at Jackson Galleries

Ultraviolet Light and Its Current Role in Artifact Authentication

October 9, 2006April 9, 2019 - by Alex Przygoda

Ultraviolet Light and its Current Role in Artifact Authentication By Alex Przygoda (Originally printed Arrowheads.com-Offline Magazine #3 2006) Ultraviolet Light: What is it really good for? Ultraviolet, also known as …

A Visit with Bill Jackson and Alex Przygoda at Jackson Galleries

April 8, 2006April 8, 2019 - by Alex Przygoda

A Visit with Bill Jackson and Alex Przygoda at Jackson Galleries by Karl Kilguss Originally Published Spring, 2006 Arrowheads.com Off-Line Magazine #2 (republished with permission) I flew into Lexington …

Identifying Fraudulent Gregory Perino Certificates: Methodolgy and Research

June 13, 2004April 9, 2019 - by Alex Przygoda

Identifying Fraudulent Gregory Perino Certificates: Methodology and Research By Alexander Przygoda 6/13/2004 Gregory Perino Embossing Seal from first known use in a letter to Ray Fraser dated 1989 Foreword Gregory …