(1971). Public coin auction: The coin and primitive money collection of the estate of Howard D. Gibbs, Pittsburgh Pa. : part III, January 26, 27, 1971. New York, N.Y.: Hans M. F. Schulman Gallery.
Citación estilo ChicagoPublic Coin Auction: The Coin and Primitive Money Collection of the Estate of Howard D. Gibbs, Pittsburgh Pa. : Part III, January 26, 27, 1971. New York, N.Y.: Hans M. F. Schulman Gallery, 1971.
Cita MLAPublic Coin Auction: The Coin and Primitive Money Collection of the Estate of Howard D. Gibbs, Pittsburgh Pa. : Part III, January 26, 27, 1971. New York, N.Y.: Hans M. F. Schulman Gallery, 1971.
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