Watch List notes:

Bogota, Colombia, cob 4 reales, Philip IV, assayer P below denomination IIII to right, mintmark NR to left, upper half of shield transposed (1627-32), unique, PCGS XF detail / water damage, ex-Eldorado. Restrepo-M35.3 var; S-B4; KM-unl (2.2 for type); Cal-unl (Type 267). 12.87 grams. Choice full shield and cross with sharp details, clear N( R) to left and IIII-P to right, silvery but with a couple darker spots, evidently solid despite its shipwreck origin (probably Concepcion of 1641), with very eye-catching transposition error that is so far unique and unlisted. Pedigreed to the Eldorado collection (Stack's Bowers auction of January 2018), with original lot-tag 11053, and to the Gran Colombia collection.
($700-1000)