Watch List notes:

Mexico City, Mexico, 4 reales, Charles-Joanna, "Early Series," assayer P to left, mintmark oMo to left (oPo-oMo), NGC XF 45. Nesmith-21; CT-77; S-M4. Bold strike, broad flan with full legends and inner details, very light bluish toning, early variety with HISPANIE and K instead of H on pillars side. Important because Nesmith assigned a number to 4 reales P-M but never saw an example. NGC #3703896-004.

Estimate: $2000-3750