Lovely Barber Half -- but I have no idea how that came out at MS66 with the gash across Liberty's cheek down through her lips.
Whoops...I just checked my spreadsheet. This not my lowest pop. My lowest pop is the same coin but 2011....one of only 8 @Ms69
No, for example you can have a 67BN that is 1/0 (pop 1 with none higher) and a 68RD that is a pop 2/3. Each color category has its own population separate from the other color designations.
How about survival rate population. I find that more relevant. Here's one that has total population/survival rate estimated at 225 pieces. It's graded XF45 (NGC) and has a CAC sticker. Duk
Is this an 1840 $10 business strike or is it a special variety? According to CoinFacts the mintage is over 47,ooo.
It's a business strike, but despite the high mintage (of course, "high" is also relative) coin facts also lists the survival rate as extremely low. It was heavily circulated 175 years ago, then melted down, etc. Only a couple of hundred or so may remain. NGC has more graded examples than PCGS but neither has a whole lot. The Philadelphia mint was the only mint making them in 1840.
I do have a few population 1 coins but this is without a doubt my most valuable with a population of 2. NGC MS66RB 1955 Doubled Die Obverse Lincoln Wheat Cent. NGC grades only 2 in MS66, 1 in red and this example in red brown. PCGS grades none at MS66.
I don't consider pop numbers when I select a coin for my collection, but I'm guessing this coin purchased from Tom Bush would be one relevant for this thread (but it is not particularly rare, but it does have distinctive toning). PCGS MS64+ (CAC) with PCGS pop 3 with 30 higher:
Oops, here's another plus coin that has better numbers: PCGS MS64+ BN (CAC) with PCGS pop of 3 with 9 BN higher: