Clifton Chenier at Antone's Nightclub - 1977 (Poster)

Very rare vintage poster promoting Clifton Chenier's run of shows at Antone's Nightclub in November of 1977! Poster artist unknown. 

Measures ~ 13x20 inches. Some thumbtack/staple holes, crinkling, small tear on bottom edge, and some staining/age spots. See photos.