Matrix ,The Matrix 1/31-2/5/67

This colorful poster advertised a week-long series of shows by Big Brother & the Holding Company at The Matrix in San Francisco.  As with most of the Neon Rose series, these were printed twice.

The original poster was printed on white index stock and measures approximately 14″ x 20″. The red color on this printing is lighter than on the second printing.

The second print poster was printed on white index stock and measures approximately 14″ x 20⅛″. There is a small white smudge in the orange top margin roughly two inches from the right edge.