With Steven Unkrich and Victor Livesay joining in, we discuss the best ways to spot fake Washington Franklin stamps, different printing methods, and more!

Stamp Perforations - https://www.les-wilkinson.co.uk/artic...

Double Impression Errors - https://findyourstampsvalue.com/helpf...

Early Rotary Perforation Machine - https://postalmuseum.si.edu/collectio...

How to Detect Damaged, Altered and Repaired Stamps by Paul W. Schmid - https://www.amazon.com/Detect-Damaged...

Bluish Paper Examples and More - https://www.theswedishtiger.com/US-St...

More Stamp Examples - https://www.usphila.com/ and https://www.noblespirit.com/past-sales

Historical Photos - https://picryl.com/

Historical Footage - https://www.historicfilms.com/ and https://www.criticalpast.com/

Kiusalas Gauge - https://www.usca.nl/wp-content/upload...

Email Steven Unkrich to Purchase a Gauge - [email protected]