Mint State Uncirculated Mexico silver 8 reales coin.
Struck at Guanajuato Mint (Go mint mark), assayer SM.
Bold overdate variety: 1879/8.
Certified by NGC to MS 62, Population Census: 6 coins, only 2 higher (MS64 & MS65).
Light peripheral toning with lustrous & reflective surfaces.
Dunigan Go60: "The 1879/8 is very scarce."