The de Guigne family is descended from French nobility and gold rush era magnates and are regarded as San Francisco Bay Area ‘royalty’.
Motorcycles offered include four very original barn-find condition bikes: a 1948 BSA B31, 1968 Triumph T100C, 1974 Norton Commando and, most noteworthy, a 1948 Vincent Series B Rapide, shown above.
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Read more in December’s issue of TCM