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A working 1976 Apple-1 computer known as the Hatfield Apple-1 is expected to sell for $500,000 to $800,000 at Bonhams in October 2026, according to contemporary reports. That range is an auction estimate—not a promised sale price. The signed motherboard, a letter from Steve Jobs to its original owner, and the computer’s survival as an operational example help explain the attention.
What is the Hatfield Apple-1?
The Hatfield Apple-1 is a working Apple-1 motherboard from 1976, signed by co-founder Steve Wozniak. The lot also includes a letter signed by Steve Jobs to Fred Hatfield, the computer’s original owner. Those links to the people who built and first owned the machine give this particular board a documented history beyond its hardware. MacRumors and Tom’s Hardware reported the Bonhams estimate and October 2026 auction schedule.
How much could it sell for?
Bonhams’ reported estimate is $500,000 to $800,000. An estimate is a guide to expected value, not a guarantee of what bidders will pay: Bonhams says its auction estimates are opinions and do not represent or guarantee actual value. The eventual result could fall below, within, or above the range. Bonhams explains its auction estimates.
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Few were made, and fewer remain
Apple and its founders produced about 200 Apple-1 computers in 1976. MacRumors reported in 2026 that roughly 70 are believed to survive. That estimate covers surviving machines generally; it does not mean all are complete or operational.
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Working condition is unusual
Operational examples are especially scarce among surviving boards. Bonhams specialist Ian Ehling, Director of Fine Books & Manuscripts, North America, said: “Surviving examples [of the Apple I] are exceptionally rare, particularly those that remain operational.” A board that still works can draw added interest because it preserves a functioning piece of early personal-computing history, rather than only a non-operating artifact. AppleInsider reported a July 2026 sale of a working Apple I for $499,363.
Signatures and ownership history distinguish this lot
Wozniak’s signature on the board and Jobs’s signed letter to Hatfield connect the machine to Apple’s founders and its original owner. Such documents and provenance can help establish a collectible’s identity and history; they also give bidders a specific story attached to the hardware. Their effect on the final price cannot be isolated from the other features of the lot.
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It represents the start of Apple’s commercial history
The Apple-1 is a rare artifact from the company’s earliest commercial period. Collectors can assess not only its place in technology history but also the details that make one board different from another: hardware configuration, serial markings, condition, signatures, documentation, and chain of custody.
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How does the estimate compare with other Apple-1 auction results?
| Computer | Reported result or estimate | What makes it a useful comparison |
|---|---|---|
| Hatfield Apple-1, Bonhams, October 2026 | Estimate: $500,000–$800,000; not a final sale result | Working 1976 board signed by Wozniak, with a Jobs-signed letter to original owner Fred Hatfield. MacRumors |
| Working Apple I, July 2026 | Reported sale price: $499,363 | A reported working-machine sale; individual lot details and provenance affect comparability. AppleInsider |
| RR Auction Apple-1 prototype board #0, January 2026 | Hammer price: $2.75 million | A prototype board identified as #0, a substantially different and rarer category than a standard production example. RR Auction |
These figures are not interchangeable benchmarks. The Hatfield figure is an estimate, the July amount is a reported sale price, and the prototype figure is a hammer price. A hammer price is the winning bid before any applicable buyer’s premium or other charges. The prototype’s rarity also makes it a poor direct predictor of the Hatfield board’s result.
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What details should bidders compare?
- Identity: serial number, board markings, and whether the item is a production computer or prototype.
- Configuration: processors, memory, interfaces, and included components can distinguish one Apple-1 from another.
- Condition and operation: whether the board is complete and whether its working status is documented.
- Provenance: ownership records and a credible chain connecting the board to its claimed history.
- Signatures and documents: who signed them, whether they are associated with the specific machine, and how the auction house describes them.
- Sale terms: estimate, buyer’s premium, and other charges are separate considerations; the estimate alone is not the total cost to a winning bidder.
A separate Sotheby’s Apple-1, serial 01-0033, illustrates the kinds of technical details auction catalogues can record. Sotheby’s lists its 1976 Apple Computer 1 board label, white MOS Technology 6502 processor, keyboard interface, 8K RAM, expansion connector, cassette connector, and original Apple cassette interface; it was reportedly bought at the Byte Shop in late 1976. This is a different computer from the Hatfield lot. Sotheby’s catalogue.
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