Walter Brattain
Walter Brattain was an American physicist who shared the 1956 Nobel Prize in Physics with John Bardeen and William Shockley for their invention of the point-contact transistor. Brattain devoted much of his life to research on surface states.
Walter Brattain autograph value
Data collected from: Aug 2026 to Aug 2026We have recorded 1 sale of Walter Brattain memorabilia between Aug 2026 and Aug 2026. The median sale is $100 and the average is $100; the highest recorded sale is $100. 1 sale has closed in the last 90 days.
Median sale
$100
midpoint of all 1 sales
Average sale
$100
mean of all 1 sales
Sold in last 90 days
1
$100 of turnover
Highest sale
$100
across all 1 sales
Every one of these 1 sales closed through an accepted Best Offer. eBay publishes the listing price on those rather than the amount paid, so none of the figures above is a confirmed price and all of them read high.
- Source completed eBay listings, archived daily
- Floor sales of $50 and up; sweeps search from $75
- * best offer accepted. eBay shows the listing price, not the amount paid
Recent Walter Brattain sales
1 most recent of 1| Sold date | Item | Price | Category |
|---|---|---|---|
| 2026-08-20 | Walter Brattain American physicist Signed Photo DC35022026-08-20 | $99.99* | Signatures & autographs |