Autographs
Alan Turing’s Corfu postcard achieves 42.7% pa growth
A postcard Alan Turing sent while on holiday in Corfu made $35,000
Alan Turing psychiatrist postcard to sell in February
Alan Turing wrote the postcard just a year before his death
Alan Turing Solitaire letter valued at up to $200,000
Alan Turing wrote the letter explaining Solitaire to the daughter of his psychologist
