Mark is usually not abbreviated, but can be abbreviated as Mk.
Mk 7:14-16, 21-23
Mk VI, Vickers Mk VII, Tetrarch Mk I, Matilda Mk II, Matilda II Mk III, Valentine Mk IV, (A22) Churchill Sherman Mk VI, Crusader Mk VIII, Cromwell Comet I (A34) Centurion (A41) Archer
The population of MK One is 2,008.
Mk 42
Check MK was created in 2008.
MK-Motorsport was created in 1978.
MK Airlines was created in 1990.
MK Airlines ended in 2010.
MK One ended in 2009.
MK One was created in 197#.
mk is short for 'mark'