1878 Trade Dollar. Proof-63 (NGC).;Reflective fields support fully impressed, more satin-textured devices on both sides of this handsomely toned specimen. Antique silver, olive-gray and rose-russet shades are present on both sides, the central obverse the lightest area. The 1878 is the first of the popular Proof-only issues that make up the final years of the trade dollar series.;