COINED: Doctor Who's 50th anniversary is being marked with a series of collectible coins.

Mint. Doctor Who's 50th anniversary is being marked with a series of collectible coins to be issued by New Zealand Mint in association with BBC Worldwide Australia.

Eleven actors have played the lead in the British science fiction show, which turns 50 on November 23, and all 11 will be commemorated in the set.

They are William Hartnell, Patrick Troughton, Jon Pertwee, Tom Baker, Peter Davison, Colin Baker, Sylvester McCoy, Paul McGann, Christopher Eccleston, David Tennant and Matt Smith.

Smith is keen to bring the show to New Zealand with Sir Peter Jackson at the helm and executive producer Caro Skinner has said she'd like to make it happen after the 50th anniversary.

As well as the 11 coin set a 12th legal tender coin will also be released featuring an engraved picture of the Doctor's time machine, the Tardis, as well as a unique 50th Anniversary logo.

The coin will come in a 3D model replica of the Tardis, which plays the time machine's materialisation sound effect was its opened. Further Doctor Who coin releases are also planned for 2014 and 2015.

The coins are available for pre order at newzealandmint.com and will officially launch at the World Money Fair in Berlin on February 1.

Doctor Who first aired on the BBC in 1963 and originally ran for 26 series, until 1989.

The show was revived in 2005 and has continued to captivate a broad audience, from young children and families to nostalgic viewers and sci-fi fanatics.

Each of the 11 actors playing the Doctor has put a unique stamp on the role and the many and varied companions, monsters and adversaries have all added to the shows enduring appeal.

The next series of Doctor Who (Series 7: Part B) will air in the UK from March 30 following in New Zealand on Prime.