Grade it for me?

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If proof coins, with a nice mirrored field is shot straight on, the mirror will reflect back the camera and or lens. It should be placed at an angle, or the camera tilted at an angle. When tilted a colored (usually black) card is placed by the coin such that it is reflected in the coins mirror field. Note this from Mark Goodman's Numismatic Photography:


Now when a black card is placed

 

I agree with you. But note the coin must be tilted at a certain angle to produce the black field. Now with a camera, the coin can be shot straight on, but often the mirror fields reflect back the camera's lens, a slight tilt (as done in hand as you stated removes this). When both camera and coin are tilted, and when a black card is added, one can get this effect, below. Both camera and coin must be tilted to achieve this. Goodman also shows a proof quarter shot straight on with the frosty device as white, and the field completely black, I have trouble achieving this, but I see it can be done, as you said.


We are on the same page, and I did not fully grasp your comment. Thank you for clarifying. It is very hard to offend me. Animal cruelty, abusing the weak, these things can offend me.
Gary in Washington

 

PF 69 DCAM, MS66 type B rev. 64!

 

I collect the type B reverse Washington 25c in high MS state like the 1964, is it from a mint set or a proof set, I can't tell. I only have a few 64 mint sets and no type B reverse 25c