1879-S Liberty Double Eagles NGC/PCGS MS61
Ten Tough $20 Lib. S-mints The San Francisco Mint continued to be the chief producer of double eagles in 1879, striking more than 1.2 million coins (about 1 million pieces more than all three other mints combined). However, Uncirculated examples are seldom offered finer than MS61 and are decidedly rare finer than MS62. If you’re…