Watch List notes:

Argentina (1866) Ag Proclamation ½ Real, For the Inauguration of the Railways, liberty head (13mm diameter) NGC Graded MS 66, choice with old cabinet toning (0.83gr) very scarce, for reference see Numisor SA floor auction 2 October 19th 2018 for only other example MS 66 - NGC Certification: 2076032-003