yosclimber ✭✭✭✭✭

@Paradisefound Some may recall this from a few years back. (View Post)

It's unfortunate that database errors like these occur and are not easily fixed; instead the reholdering/restickering route is a huge pain. But it may get even worse. Since PCGS shares their cert dat… (View Post)

Right - the subject of Artificial Intelligence covers a lot of different topics. Here the relevant one is "Computer Vision", with the subtopic identifying objects in photos (or videos). htt… (View Post)

Cool, I got very lucky and it was the first one I checked. For die markers: 1. (LDS) the big crack through S4, the arm and into gown folds: 2. Horizontal line in shield above RT. I believe I see this… (View Post)

Here is the 1999 Gobrecht Journal article. The shapes of the 4 and 6 in 1846 are quite distinctive and recognizable as the under digits in 1849. (View Post)