What is going on with surface of this 1930 Buffalo?

As I read his answer, the surface of your coin did not get etched "at the Mint." The SBA Dollars did.

Your coin has PMD done by a caustic (not exactly the correct usage of this word but easy to understand) solution.

 

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Extremely well said you silver tongue devil. Especially the point about the missing "F."

 

You're right, I miss-processed the statement.

 

Why thank you. Aren't you glad I'm in numismatics rather than politics? LOL (Note to moderator's this is not an attempt to turn this into a rant on politics rather as a quick pro quo to a comment regarding a silver tongue)

 

Sheesh, at the rate we are going, this thread may finally ride off into the sunset by page 10..

 

So then is a weak F a sign of a later die state? Think about it. The F is incuse and thin, so it has to be raised and thin on the die, like a little backwards F-shaped knife edge. Seems like a candidate for early die wear problems to me.

 

Too Late!

If we had term limits and our congress only met for a very short period and then went back home to their real jobs as was done at our founding we should be a better country. Also, I believe that virtually ANY older (over 55) US citizen member of this forum (with a good character) including the mods should make a good President. An intelligent person with work experience and common sense would naturally grow into the position. Wait...I thought this was the "Good Teacher" Thread.

 

The way I heard it, most missing "F" coins resulted from a plugged die rather than the "F" being polished off the die.

 

My ONLY gripe with that is that with the complications of modern life, members of Congress would acquire nearly no real expertise, and true power would be more concentrated in the hands of fulltime legislative staff. Speaking as one of them, and looking around me, YOU DO NOT WANT THAT, TRUST ME!

 

Only if you're not going to beg Doug to give it a like for the next six months. In that case this thread could surpass Frank's 200 page thread crying "baby shoes" cause Doug wouldn't give him a like.
Even though he did promise Doug some blondes and brunettes as well let's just say "because it is a family format " some gimmes!

 

The legislative staff ALREADY has too much power and the office would only need a skeleton crew (of two) when the congress was out of session most of the year.

 

Wow, we're only three when we're IN session, not counting the Rep. And we have committee responsibilities to boot! The constituent service staff back in the district is four people.

 

I knew this but omitted the varieties to keep the answer simple.

 

You guys are "squared away." Too bad Philly is in your state.

 

The look of it suggests chemical exposure, likely the main contributor to the toning. Further substantiated by how it appears to run on the coin, over the rim and on to the coin edge.

 

Where were you this past Wednesday? This thread would have only been two pages!

 

It means some people on this planet still have a sense of humor! Lets go for 10 pages.

 

Color me gullible. I hoped to learn something about forensics.

 

What planet are you on? Pick one ● ° • ○ • ○ ● ° • and remember Pluto is no longer a planet ........

 

I can't envision the alloy of a Buff being so varied as to resist/succumb to a caustic chemical in such striated patterns. The chemical staining is secondary to the actual cause of the striations, IMO, hence my thinking that it was mechanically damaged in a solution of something capable of causing that staining.