Watch List notes:

Potosi, Bolivia, cob 4 reales, 1678E, retrograde-4 denomination, ex-Consolacion (1681).S-P37b; KM-25; Cal-522.7.92 grams.Smooth corroded surfaces and a bit thin around the edges with some cracks (as made), weak design details but two clear dates and retrograde 4 denomination error (scarce as such).Pedigreed to the Arturo Rosenheim collection and from the Consolacion (1681).From: Pillars and Waves
($150-225)