Does Anyone Have Knowledge of the Richard A. Long Auction, c. 1989?
Does anyone know of an auction of the collection of Richard A. Long, a specialist and author in the area of Mexican numismatics? I ran across an old scan of a set of Pillar Eight Reales that bore his name and 'AUCTION 1989', but have not been able to find any other details of the apparent sale, or a catalog.
Does anyone here have any other context?