US · Ten Cents · 1946–present
Roosevelt Dime (1946–present)
Issued shortly after FDR's death; the dime was chosen for the March of Dimes connection to Roosevelt's polio advocacy. Silver through 1964, clad thereafter. Few key dates — the series is collected mostly by date set or for high-grade Full Bands (FB / FT) examples.
i.
Reference photos
Obverse
Photo: United States Mint / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Usa-1-dime-1946_(1).jpg (public-domain) 
Photo: United States Mint / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Usa-1-dime-1946.jpg (public-domain) 
Photo: JD Hancock from Austin, TX, United States / Wikimedia Commons (cc-by-2.0) — https://commons.wikimedia.org/wiki/File:Vacationing_On_A_Dime_(4744388119).jpg (cc-by-2.0) 
Photo: Editor abcdef / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:United_states_currency.jpg (public-domain) 
Photo: United States Mint / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Usa-1-dime-1964.jpg (public-domain) 
Photo: Ed Poor / Wikimedia Commons (cc-by-sa-3.0) — https://commons.wikimedia.org/wiki/File:Zoom_H4_Digital_Recorder.png (cc-by-sa-3.0) 
Photo: Unknown / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:USMC-20162.jpg (public-domain) 
Photo: Alejandro Sánchez / Wikimedia Commons (cc-by-sa-3.0) — https://commons.wikimedia.org/wiki/File:Sphaerodactylus_parthenopion_004.jpg (cc-by-sa-3.0) 
Photo: US Army Public Health Command (US Army Center for Health Promotion and Preventive Medicine USACHPPM / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:PaederusSizeSq.png (public-domain) 
Photo: NASA/JPL-Caltech / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:JPL_Spiderweb_Bolometer.jpg (public-domain) 
Photo: Rittmeyer EN, Allison A, Gründler MC, Thompson DK, Austin CC / Wikimedia Commons (cc-by-2.5) — https://commons.wikimedia.org/wiki/File:Paratype_of_Paedophryne_amauensis_(LSUMZ_95004).png (cc-by-2.5) 
Photo: Marcus Quigmire from Florida, USA / Wikimedia Commons (cc-by-sa-2.0) — https://commons.wikimedia.org/wiki/File:Money_(1805700787).jpg (cc-by-sa-2.0) 
Photo: Clayton Creed, U.S. Fish and Wildlife Service / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Physaria_congesta_bluffs_bladderpod_plant.jpg (public-domain) 
Photo: Dwight Sipler from Stow, MA, USA / Wikimedia Commons (cc-by-2.0) — https://commons.wikimedia.org/wiki/File:Lobelia_seeds_and_two_Snapdragon_(Antirrhinum)_seeds_for_comparison.jpg (cc-by-2.0) 
Photo: Yinan Chen / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Gfp-dimes.jpg (public-domain) 
Photo: Bentleypkt / Wikimedia Commons (cc-by-sa-4.0) — https://commons.wikimedia.org/wiki/File:Tawny_Crazy_ant_(Nylanderia_fulva)_female_dime_for_scale.jpg (cc-by-sa-4.0) 
Photo: RMTltd / Wikimedia Commons (cc-by-sa-4.0) — https://commons.wikimedia.org/wiki/File:HFx_Sensors.jpg (cc-by-sa-4.0) 
Photo: JD Hancock from Austin, TX, United States / Wikimedia Commons (cc-by-2.0) — https://commons.wikimedia.org/wiki/File:Stopping_On_A_Dime_(3544855402).jpg (cc-by-2.0) 
Photo: Ser_Amantio_di_Nicolao / Wikimedia Commons (cc-by-sa-3.0) — https://commons.wikimedia.org/wiki/File:Impression_of_a_dime_in_a_table_at_mcdonalds.jpg (cc-by-sa-3.0) 
Photo: Ennovi207 / Wikimedia Commons (cc-by-sa-4.0) — https://commons.wikimedia.org/wiki/File:Samurai_Wasp_Size_comparison_with_dime.jpg (cc-by-sa-4.0) 
Photo: Pearson Scott Foresman / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:Inscriptions_-_Coin_(PSF).png (public-domain) 
Photo: National Aeronautics and Space Administration. Goddard Space Flight Center. 5/1/1959 / Wikimedia Commons (public-domain) — https://commons.wikimedia.org/wiki/File:MICROWAVE_RECEIVER_PLATE_GODDARD_SPACE_FLIGHT_CENTER_-_DPLA_-_2037d06ae6c7014061dded2688eea5c5.jpg (public-domain) 
Photo: Douglas Muth from Philadelphia, PA, USA / Wikimedia Commons (cc-by-sa-2.0) — https://commons.wikimedia.org/wiki/File:I_really_hate_pennies_(8943032809).jpg (cc-by-sa-2.0) 
Photo: Douglas Muth from Philadelphia, PA, USA / Wikimedia Commons (cc-by-sa-2.0) — https://commons.wikimedia.org/wiki/File:I_really_hate_pennies_(8943654810).jpg (cc-by-sa-2.0)
ii.
Specifications
| Designer | John R. Sinnock |
|---|---|
| Composition | 90% silver / 10% copper (1946–1964); 75% copper / 25% nickel clad (1965–present) |
| Weight | 2.5 g |
| Diameter | 17.91 mm |
| Edge | Reeded |
| Series | Roosevelt Dime |
| Years issued | 1946–present |
iii.
Key dates & varieties
| Year | Mintmark | Variety | Mintage | Rarity |
|---|---|---|---|---|
| 1949 | S | — | 13.5M | semi-key |
| 1955 | P | — | 12.5M | semi-key |
| 1996 | W | 50th Anniversary | 1.5M | semi-key |