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    Sir Isaac Newton 50p 2017 Proof – reverse
    Showing the reverse
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    Photo: Numista

    Sir Isaac Newton 50p 2017 Proof

    Elizabeth II 5th portrait; Sir Isaac Newton
    2017United KingdomProof
    Part of 50p coins

    Worth about £15 as a proof. 14,555 were minted, the 13th lowest of any proof 50p.

    Denomination
    50p
    Estimated Value
    £14.65
    Numista catalogue · Mar 2026How we value coins
    Condition
    Proof
    Mintage
    14,555

    Physical Properties

    Composition:Copper-nickel
    Weight:8g
    Shape:Equilateral curve heptagon (7-sided)
    Diameter:27.3mm
    Currency:Pound sterling (decimalized, 1971-date)
    Mint:Royal Mint

    Features & Details

    CommemorativeEquilateral curve heptagon (7-sided)Copper-nickel
    Value source:Numista catalogue
    Value date:6 Mar 2026

    Is the Sir Isaac Newton 2017 50p rare?

    13th/ 53

    ← RarerMore common →

    Its proof mintage of 14,555 is the 13th lowest of 53 proof 50p coins in the catalogue.

    Versions of the 2017 Sir Isaac Newton 50p

    • Sir Isaac Newton 50p 2017Photo: Numista
      Circulation

      £1.87

      Mintage 1,801,500

      Sir Isaac Newton 50p 2017

    • Sir Isaac Newton 50p 2017 BUPhoto: Numista
      BU

      £9.97

      Mintage 98,294

      Sir Isaac Newton 50p 2017 BU

    • Sir Isaac Newton 50p 2017 ProofPhoto: Numista
      Proof

      £14.65

      Mintage 14,555

      Sir Isaac Newton 50p 2017 Proof (this page)

    Sir Isaac Newton 50p by year

    Sir Isaac Newton 2018 50p →

    Other 2017 50p coins

    • Benjamin Bunny 50p 2017 BU

      Benjamin Bunny 50p 2017 BU

      Mintage 160,040

    • Tom Kitten 50p 2017 BU

      Tom Kitten 50p 2017 BU

      Mintage 160,496

    • Jeremy Fisher 50p 2017 BUPhoto: Numista

      Jeremy Fisher 50p 2017 BU

      Mintage 167,160

    • Peter Rabbit 50p 2017 BUPhoto: Numista

      Peter Rabbit 50p 2017 BU

      Mintage 223,661

    • Tom Kitten 50p 2017

      Tom Kitten 50p 2017

      Mintage 9,500,000

    • Jeremy Fisher 50p 2017Photo: Numista

      Jeremy Fisher 50p 2017

      Mintage 9,900,000

    • Peter Rabbit 50p 2017Photo: Numista

      Peter Rabbit 50p 2017

      Mintage 19,900,000

    • Benjamin Bunny 50p 2017

      Benjamin Bunny 50p 2017

      Mintage 25,000,000

    About the Sir Isaac Newton 50p 2017 Proof

    The 2017 Elizabeth II 5th portrait coin featuring Sir Isaac Newton represents a significant addition to the numismatic landscape of the United Kingdom, commemorating one of history's most influential scientists. Minted by the Royal Mint, this fifty pence piece showcases a striking design that not only honours Newton's legacy but also celebrates the rich tradition of British coinage. The obverse features the fifth effigy of Queen Elizabeth II, while the reverse depicts a design linked to Newton’s contributions to science, particularly in optics and gravity.

    ⓘHow this was written

    Written with AI from catalogue data. Sentences that contradict this coin's year, denomination, finish, mintage or value are removed automatically; the rest has not been checked by a person. How we value coins

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