Churchill Black Prince, last of the Infantry Tanks, armed with a QF 17 Pounder but rendered obsolete by the Centurion which was nearing completion : r/TankPorn

Cold War British Tanks Archives - Tank Encyclopedia

Tank Archives: First Among Equals

Cold War British Tanks Archives - Tank Encyclopedia

If the British could put a 17-pounder in a Sherman, why couldn't they do that in a Churchill? - Quora

Mark Nash – Tank Encyclopedia

Tank Archives: First Among Equals

Mark Nash – Tank Encyclopedia

Even after a century, tanks still play a major role in war

Tank Archives: First Among Equals

Tank Archives: None More Frightening than the Cat

A.43, Infantry Tank, Black Prince - Tank Encyclopedia

Cold War British Tanks Archives - Tank Encyclopedia

The Tank Museum - The Tank Museum's Black Prince Black Prince was designed in 1943, the idea being to create a heavier version of the Churchill tank mounting the 17 pounder anti-tank

Black Prince - The Ultimate Churchill Tank

The Tank Museum - Black Prince was a prototype for a heavier Churchill tank that never entered production. The Museum holds the only complete survivor.