25 Cents '1870 Quarter Dollar' Pattern

The 1870 quarter patterns emerged from a sustained push within the Mint to reform the subsidiary silver coinage, which had been troubled since the Coinage Act of 1853 reduced silver content below par. Mint Director Henry Linderman was already laying groundwork for what would become the controversial Coinage Act of 1873, and experimental strikes in multiple metals allowed officials to evaluate both design proposals and alloy alternatives simultaneously.

Judd 882–887 represent die pairings across the three compositions, with aluminum specimens surviving in notably higher numbers than their silver counterparts — aluminum blanks were cheap and frequently distributed to congressmen and assay officials as lobbying pieces.