1950 Doubled Die Reverse DDR-001

Description

The primary doubled die reverse for the 1950 Proof Jefferson Nickel, DDR-001 presents a dual-intensity pattern with light spread on E PLURIBUS UNUM and very light spread on OF AMERICA. Die markers UVC-854 and DMR-003 confirm this working die. The distinction between "light" and "very light" represents the subtlest gradation in the spread intensity scale — both indicate visible but restrained secondary images, with the very light classification on OF AMERICA denoting doubling at the threshold of reliable detection under standard magnification. This fine intensity gradient suggests the hub displacement vector produced its strongest effect at E PLURIBUS UNUM's position on the die, tapering to barely detectable levels by the time it reached OF AMERICA's location in the reverse arc. As a proof coin struck at the Philadelphia Mint, this nickel was produced on polished planchets with mirror-finish dies, and the pristine reflective surfaces characteristic of proof coins can actually aid detection of very light doubling by providing maximum contrast between the mirrored fields and any subtle secondary letter images. The 1950 proof nickel was included in proof sets of that year, and proof production in 1950 preceded the suspension of proof coinage in 1965-1967. As DDR-001, this variety holds the primary catalog position for 1950 proof doubled die reverses, establishing it as the benchmark reverse variety for the date.

Die Markers

• UVC-854; DMR-003

External References