This is not your ordinary estate sale.

This is the personal collection and accumulated inventory of a working antiques and vintage dealer — three full floors of a Foxhall Village townhome transformed into a multi-level showroom of fine antiques, art, jewelry, and decorative treasures. The entire inventory is being liquidated. Every room. Every wall. Every shelf. Thousands of distinctive pieces, all priced to move.

If you collect, decorate, design, or deal —...