The Brave And The Bold #166 1980

This unique variant of The Brave And The Bold #166, published by DC in September 1980, features Batman teaming with Black Canary in "Requiem for 4 Canaries!" The Penguin escapes prison, seeking revenge on four informants, leading Batman to Star City to aid Black Canary. The issue is notable for its controversial depiction of Black Canary's capture. Additionally, it contains the first appearance of Nemesis, Thomas Tresser, in a backup story, making it a key issue for collectors interested in character debuts and Bronze Age DC Comics.