1879 $4 Flowing Hair, Judd-1635, Pollock-1833, R.3, PR64 PCGS....

"By any evaluation these are patterns, not regular issues, and are in the purview of specialists in the pattern series. However, the wide availability of the 1879 Flowing Hair has made it a stock-in-trade item for coin sales and auctions for more than a century, with the majority of buyers being collectors of regular coins, not pattern specialists. Furthermore, the curious $4 patterns have been neatly adopted into nearly all books that list regular coins but not patterns (or just a few patterns, such as the 1856 Flying Eagle cent and the 1859 transitional half dime, as examples). The old Wayte Raymond Standard Catalogue (1934 to 1958 publication run) and the Guide Book of United States Coins followed suit."