Mexico City, Mexico, cob 8 reales, 1611/11F (unique). 27.49 grams. Good full shield and cross with very bold full oMF, also with clear date that shows a unique re-positioning of the 11 (decidedly not 1/0, which is known), also full crown but otherwise not much visible in the peripheries, VF with light toning on fields.
Estimate: $700 - 1000