Reference: Determining Die Doubling from Other Forms of Doubling - J.T. Stanton
Stuart
Posts: 9,831 ✭✭✭✭✭
This is an outstanding Die Doubling vs Machine Doubling Reference Article:
Web Link ==> http://conecaonline.org/wp-content/uploads/2017/10/StrikeDoublingFlyer-1.pdf
Stuart
Collect 18th & 19th Century US Type Coins, Silver Dollars, $20 Gold Double Eagles and World Crowns & Talers with High Eye Appeal
"Luck is what happens when Preparation meets Opportunity"
2
Comments
More info here
https://doubleddie.com/58222.html
And here
https://doubleddie.com/144801.html
And the most frequently confused by newer collectors
https://doubleddie.com/144822.html
And
https://doubleddie.com/144843.html
https://www.autismforums.com/media/albums/acrylic-colors-by-rocco.291/