1958

The 1958 Philadelphia Roosevelt dime stands out among the late-1950s silver issues at 32,785,652 circulation strikes, the lowest Philadelphia mintage of the entire 1956 through 1964 stretch. The 1957-1958 recession trimmed retail commerce and reduced the demand pull for new coinage, and Philadelphia's dime work was cut back accordingly. Denver continued at near-normal output for the year at 136,564,600, so the combined 1958 figure was not unusually low for the series, but the Philadelphia share dropped to roughly one-fifth of Denver's contribution. The coin carries John R. Sinnock's 1946 design without modification, with the FDR portrait on the obverse and the torch flanked by olive and oak branches on the reverse. Philadelphia coins carry no mintmark, the standard parent-mint convention through 1979.

The 1958 follows the silver-era specifications: 2.5 grams, 17.9 millimeters, 90% silver and 10% copper, reeded edge. Authentication on a Philadelphia circulation strike includes the standard weight check at roughly 2.45 to 2.55 grams, confirmation of no mintmark on either side of the coin, and inspection of the reeded edge for completeness. The lower mintage does not attract significant counterfeiting attention because the date is not anomalously valuable in any single grade, so weight and dimensional verification carry the authentication. Strike quality runs from average to sharp, with the Full Bands designation requiring complete separation on both pairs of horizontal bands wrapping the torch. Condition rarity is the meaningful collecting factor on this date because the reduced press time translated to a smaller pool of bank-wrapped rolls reaching careful storage, so MS-66 FB and finer survivors are scarcer than the equivalent grade for a 1956 or 1957 Philadelphia issue.

In the market the 1958 trades at modest premiums in circulated and lower Mint State grades, with the silver melt floor anchoring the lower end. PCGS and NGC populations are noticeably thinner than for the surrounding Philadelphia years, particularly at the strictest Full Bands grades. The date earns a slight step-up in Roosevelt date sets as a condition-rarity completer, and MS-67 FB pieces trade well into the four-figure range, with MS-67+ FB examples reaching the upper four figures. For broader context, see the Roosevelt Dime series history.