1989 Porsche Marketing Reference Guide Dealer Binder Sales Training 911 928 944 Turbo
Updated August 26, 2026
This auction ended on September 13, 2026.
See upcoming auctions from Lodestar Auctions.
| Lot number | 0317 |
| Opening bid | $20 |
| Auction | Clocks Signs Lights Automobelia Books Advertising |
| Date | September 13, 2026 at 3:00 PM EDT |
| Auction house | Lodestar Auctions |
| Location | Gurnee, Illinois |
**Important** Please read below description on how to avoid high shipping costs. Discover a rare piece of Porsche history with this 1989 Porsche Marketing Reference Guide. This official dealer-only

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