Grateful Dead / Quicksilver Messenger Service
| Headlining | Grateful Dead |
| Band/Artist | Quicksilver Messenger Service |
| Supporting Act | New Tweedy Brothers |
| Artist | Wes Wilson |
| Venue | Avalon Ballroom |
| Type | Gig Poster |
| Country | United States |
| 1966-06 | |
| Dimensions | 36.2 × 52.1 cm |
| Notes | Second printing. |
Added by ThomasP64 · Last edited by 87marx