This is a London Bridge Trading ACU Left Hand Universal Shoulder Holster with Military type label and not the normal LBT logo tag.
Part number LBT-0370A LH.
Fit large semi-auto pistols.
Strap fits over the back of the neck and it has two loops that attach to a belt (2" maximum belt width).
Has a double pouch that holds two magazines.
Manufacture date is about 2008.
Made in the USA.