Can anyone identify this shell casing? (More info in comments) : r/TankPorn

T-34, Military Wiki

140mm smoothbore gun, Page 2

Help me identify this shell case : r/TankPorn

MilHisVis – Military History Visualized – Offical Homepage for the Channel

Tank Suggestion T26E4 Super Pershing - Implemented Suggestions - War Thunder - Official Forum

How to disassemble the barrel of a tank (like an Abrams) - Quora

Cold War Brazil EE-9 Cascavel Archives - Tank Encyclopedia

German (?) Shell casing marking GFSP 37 MAI 1916 SP197 - Arms and other weapons - The Great War (1914-1918) Forum

Claber 8547 Universal Coupling 1/2 - 5/8 - 3 /4 - Steve & Leif

How many shells does a Tiger tank carry? - Quora