1902 Proof Liberty Head Gold $2.5 Quarter Eagle (Coronet Head)

The 1902 proof Liberty Head quarter eagle continues the pattern of moderate proof deliveries that characterized the early years of the new century, with Mint records confirming an original production of approximately one hundred ninety-three brilliant proofs to subscribers of the gold proof set. The figure sits between the comparatively generous 1901 delivery and the slightly smaller 1903 production, placing the date in a middle tier of accessibility within the late-Coronet proof run. Survivor estimates compiled across the modern reference framework place the surviving population at one hundred forty to one hundred sixty examples in all grades, indicating an attrition rate consistent with the broader pattern for proof gold of this era, in which roughly one-quarter of original deliveries have been lost to melting, mishandling, or removal from collector channels over the intervening century and a quarter. The 1902 proof is regarded as one of the more attainable late-Coronet proof dates and is a frequent target for collectors completing date sets in the brilliant proof format that dominated Philadelphia gold proof production prior to the Saint-Gaudens transition of 1908.

Authentication rests on three convergent diagnostics specific to the late-Coronet brilliant proof format. The mirror fields must display the unbroken, watery reflectivity characteristic of multiple-impression proof striking, with brilliance extending cleanly to fully squared inner rims and crisp denticulation around the full circumference, no peripheral softness or break in mirror character at the legend, and visible die-polish lines under raking light through the open obverse field. Weight must hold without compromise to the 4.18-gram standard in the 0.900 fine alloy, with specific gravity readings near 17.2 confirming gold content. Pedigree research provides essential third-layer confirmation; the survivor population remains small enough that named-collection appearances and prior auction plate-matching can authenticate or eliminate a candidate, with PCGS or NGC encapsulation treated as a baseline expectation rather than a premium feature.

Auction realizations for the 1902 proof are driven by grade and cameo depth, with PR62 to PR63 examples bringing solid mid five-figure prices and finest-known PR66 Deep Cameo specimens reaching well into the six-figure range when fresh material crosses the block. See the full Liberty Head Quarter Eagle series history.