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Original 1965 Acid Test poster on auction block with current high bid of $6,750

Ellsworth Toohey
Apr 01, 2025
∙ Paid

Grateful Dead 1965 San Jose, CA First-Ever-Performance Acid Test Advertising Poster

A hand-drawn crayon sign advertising the Grateful Dead's first-ever performance under their new name has surfaced after nearly 60 years, preserved by two teenage sisters who were too nervous to attend the historic event.

The primitive poster, reading "Can you pass the Acid…

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