Bogota, Colombia, 1/4 real, Ferdinand VI or Charles III, no date or mintmark or assayer (anepigraphic issue), pillar-style castle and lion (1756-1770), NGC MS 61. Restrepo-2.1. Bold strike with sunburst metal-flowlines to 100% complete rims (two tiny rim-splits, as made), brilliantly lustrous as from the same Bogota hoard that yielded the famous 1770 pillar dollars.
Estimate: 400 - 600 USD