You actually dug that up,amazing find!!!now find the other halfgood luck. @paddyman98 found any Spanish colonial coinage yet.
I actually think it’s a contemporary counterfeit now, someone on reddit pointed it out. Rang at a 30-31 on the simplex+. Patina doesn’t make any sense for silver either
Definitely, I almost lean towards thinking it’s cooler. I’ve collected 5 or so contemporary counterfeits but this is by far the oldest