neildrobertson ✭✭✭✭✭

NGC's world values seem to match Krause. In a lot of cases the numbers haven't been updated in over 10 years, and they weren't particularly accurate back then. I mostly use it for information other t… (View Post)

I use Numista and the Catalog on the NGC website (which matches Krause). There is no online catalog for my primary area of focus, so I have physical books for that. I also have pdfs of the Kraus worl… (View Post)

Mylar has less gas permeability than polyethylene, polypropylene, and some other commonly used plastics. That does help to keep the environment out and improve preservation. That being said, polyprop… (View Post)

-Half dollar or smaller and under $50, goes in a stamped envelope reinforced with chipboard/cardstock -Larger than a half dollar or smaller than 6 certified coins goes in a Ground Advantage bubble ma… (View Post)

That is and has been actively changing in German coins. Each year a larger percentage of auctioned coins are greater. I know several German dealers I buy from that will still criticize slabs, but eve… (View Post)