Original “Ameritech Jazz at Symphony Center” poster — low-resolution file from Kevin’s archive.

Original proportions preserved on a 17-inch long edge. Current source: 267 × 422 px (25 ppi at this size). Dimensions above specify the print edition; download contains the current source image. Screen artwork uses RGB. Suggested bleed: 0.125 in where the composition supports it.

Historical source retained. No new typography settings assigned.