HERKUNFT & ERWERBSQUELLEN / PROVENANCES & SOURCES
Auction houses:
Christie's * Julien's * Sotheby's * Heritage * Bonhams * Profiles in History *
Alexander Autographs * Guernseys * University Archives * ....
Auction houses:
Christie's * Julien's * Sotheby's * Heritage * Bonhams * Profiles in History *
Alexander Autographs * Guernseys * University Archives * ....