The Mk IV 380 is a Colt Government Model .380 caliber compact semi-automatic pistol with many of the features of the time tested Government Model .45.
$900
MK stands for Mark, The word mark, followed by number, is a method of designating a version of a product. So MK IV translates into Mark 4
The Mk IV Series 80 was introduced in 1983 and dropped from production around 1999. Blue, its value is about: NIB Exc. V.G. Good Fair Poor $650 500 400 350 300 250 Nickel, about $100 higher
Negative i believe
M = 1000 but there is no current Roman numeral represented by a K, however in the past K was one of the many symbols used to represent 50, later standardised as L. So MK could represent 1050.
$900
50-500 usd
Go to Colt's website and request a manual.
10-500 usd
Best left to a qualified gunsmith.
value depends on overall ondition............
Wall hanger to 400 USD depending on condition.
Assembled improperly.
Check the auction sites for current values.
Call Colt and they will tell you.
100-600 USD
50-500 usd