RogerB ✭✭✭✭✭

Ideally, there is an optimum ratio between the diameter of light source and coin that creates maximum visibility of detail for coin authentication and/or grading. Once this ratio is determined, the i… (View Post)

Looks like so many chopmarked Trade dollars -- why didn't it get a straight grade? (View Post)

A little historical perspective might be in order.... During the 1950s there were tight fair trade laws in effect. Also, product distributors had huge profit margins and often controlled both retail … (View Post)

At the present incomplete state of knowledge, it might be better to simply report each suspect, rather than attempt to draw conclusions. I base this on a substantial mistrust of Breen and other old r… (View Post)

The Dimmick investigation, trial transcripts and related materials are in NARA at College Park, Md. I examined these when the speculation first was made. Nothing in Dimmick relates to anything except… (View Post)