Alan M. Turing
Sara Turing · W. Heffer & Sons, 1959 · First edition, first printing
Market value · Unsigned, near fine
$3,144
Valued from 1 recorded sales in the last 12 months.
What a copy is worth
| Condition | Unsigned |
|---|---|
| Near fine | $3,144 |
| Very good | $2,673 |
How to identify this edition
These points tell this edition apart from other printings and editions of Alan M. Turing.
✓ Title page: “W. Heffer & Sons, Ltd. · Cambridge · 1959” at the foot
✓ Frontispiece: photographic portrait of Alan Turing with his facsimile signature
✓ Dust jacket: pale green with a white band, title in black italic, “Heffer · Cambridge” at the foot
✓ Price: 21/- net (21 shillings) at the foot of the front flap (unclipped)
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