2008-P New Mexico, Satin Finish Proof

New Mexico became the 47th state on January 6, 1912, and its quarter shipped on April 7, 2008 as the second of that year's five Statehood designs. The 2008-P New Mexico Satin Finish Proof was struck at the Philadelphia Mint for the 2008 Annual Uncirculated Coin Set, the satin format's fourth and final year of distribution alongside the Statehood program. Don Everhart's reverse centers a Zia sun symbol over an outline of the state, with the Sangre de Cristo range suggested in low relief behind and the state legend "Land of Enchantment" arched above. The Zia symbol, the four-armed radial figure of the Zia Pueblo people that also anchors the state flag, reads as a compact graphic centerpiece, its four sets of four rays representing the four cardinal directions, four seasons, four times of day, and four stages of life. The satin treatment lets the radial geometry sit under a uniform matte glow.

Authentication begins at surface texture. Genuine satin specimens present an even matte sheen across both the Zia figure and the surrounding fields, the product of acid-etched or sandblasted dies rather than the polished-and-frosted dies used at San Francisco. There is no rotating cartwheel luster of the sort that travels across a roll-pulled Philadelphia business strike when tilted, and no mirror-and-cameo contrast of the type that marks an S clad proof. Composition is standard cupronickel-clad, 91.67% copper / 8.33% nickel by total weight, with the outer cladding running 75/25 over a pure copper core, at 5.67 grams and 24.3 millimeters. The P mintmark sits above Washington's queue on the obverse; no S satin variants exist. Third-party graders use SP or SMS designations rather than PR.

Per-state per-mint mintage settled at 745,464 pieces for the 2008 set, the lowest annual figure of the four-year satin Statehood run. Because the coin was sealed in Mint Set packaging from day one, the original surface generally survives intact, and most certified pieces fall in the SP67 to SP69 range with SP70 examples appearing often enough to keep top-pop premiums modest. For Everhart's broader statehood work and the 2008 release run as a whole, see the 50 State Quarters series history.