Does anyone collect Denver double eagles? This looks like a nice one (not my coin)

Longacre

I was looking online, and I saw this coin. I don't own it or have any other financial interest in it, but it is pretty rare and it looks like a "real MS65". Does anyone collect this specific date of double eagle as a first year type, or something?

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1906-D $20.00 PCGS MS-65 3/0 10/1 14000 (Qtrly) $18,500 NEW
The Denver Mint opened in 1906 and struck gold coinage in three denominations: half eagle, eagle and double eagle. The 1906-D double eagle is not an especially scarce coin in the lower Uncirculated grades but it becomes hard to find in MS63 and it is very scarce in properly graded MS64. Gems are very rare and this is only the second piece I have ever owned. It is a spectacular example with rich orange-gold and greenish coloration atop vibrant, velvety smooth surfaces. Like most 1906-D double eagles, it is very well produced with excellent detail on the curls and feathers; unlike most 1906-D double eagles, the surfaces are immaculate with no breaks in the luster and just a few tiny scuffs visible to the naked eye. PCGS has only graded three examples of this historic first-year-of-issue double eagle in MS65 with none graded higher and it is likely that this is the only piece that will be available to collectors in the near future.