At the end of Captain America: Civil War, the only marks on Cap's shield are from Black Panther's claws, since both are made of vibranium. : r/MovieDetails
Captain America's shield up for auction at Profiles in History
Can We Add New Elements To The Periodic Table?
Captain America's Shield: What Is It Made Of? - Inside the Magic
How did Howard Stark get Vibranium for Captain America's SHIELD?
Could Superman break or bend Captain America's vibranium shield or Thor's hammer with his strength? - Quora
How does Black Panther leave scratches on Captain America's shield in Civil War - Science Fiction & Fantasy Stack Exchange
In both Marvel Comics and MCU, can a chainsaw cut through Captain America's shield? if not, would it be able to do so if it was made out of vibranium? - Quora
Why Captain America's Shield is Stronger in the Comics Than The MCU
Can a lightsaber cut through Captain America's vibranium shield? Or even Black Panther's vibranium suit? : r/Marvel