The right coin doesn’t just mark a moment in history, it becomes part of someone’s own. This auction brings together a considered collection of U.S. coins and bullion, assembled from private holdings with a focus on condition, continuity, and quiet appeal.

Among the selections: A 2011 Four-Coin Gold Eagle Proof Set in original government packaging; an 1834 Classic Head Quarter Eagle that speaks to early American minting; and ten-ounce silver bars from Engelhard and Wall Street...