1911 National Model 40 Speedway Roadster
| Make | Speedway bikes |
| Year | 1911 |
| Chassis Number | |
| Auctioneer | RM Auctions - Sotheby's |
| Event | Hershey |
| Auction Date | 09/10/2015 |
| Lot Number | 240 |
| Result | sold |
| Sold For | $385,000 |
| Auction Page | Visit auction page |
Engine No. : 8307
1911 National Model 40 Speedway Roadster