Palestine 100 Mils 1931

https://auctions.goldbergcoins.com/m/lot-details/index/catalog/79/lot/164753
June 15-16 2021 another Mint State example up for sale. For a key coin, it seems frequently available albeit at a price.
Less so the 1934 100 Mils which actually has a lower mintage (200,000)
Estimate on the PCGS MS63 coin is $2500, a fraction of what it has actually been selling for over the last 7 years, for five different examples in mint state I can locate between Heritage and Goldberg.
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Comments
Estimates are frequently low.
When a coin with a low populations comes up for sale more frequently than "normal", it's an indication the buyer doesn't retain interest. I have seen this on occasion with other coins, including a few in the series I collect.
“Buyer doesn’t retain interest” would be plausible if the same coin purchased would be resold. Here it appears that every example has appeared once.
I admit to be surprised to see yet another example come up, I don't believe I ever saw this one.
When I sold my 62 in 2014, there was only one higher graded, a 63 example in the J&D Fishman registry set, a piece I actually owned in the '80's. I was the underbidder when it came up for sale again 15 yrs ago at WMR.
This one seems well graded - Goldberg's rarely show the slabs which imho is a big mistake. While we on that, the descriptions have a lot to be desired.
Palestine. 100 Mils, 1931. KM-7. Key date. Light golden tan tone. Rare in top grades. PCGS graded MS-63. Estimated Value $2,500 - UP
They have always been so bland and generic. At least the photography dept. is pretty decent.
What did this fetch?
15.5K hammer
It’s interesting to note that the highest graded one across the street is a 62 so this would be a top pop if crossed over