Lee and I went to a garage sale yesterday and hubby say, hey take a look at this. Well we hadda have it!
This is what the cover says:
20 mm. A.A. Gun - MARK 2 and MARK 4
Extracts from Ordnance Pamphlet No. 911
Instructions For
Magazine
Sight
Shoulder Rest
Ammunition
Maintenance
Cocking
Shipping and Reassembly
March 1943
Marion J Chard
Proud Daughter of Walter 'Monday' Poniedzialek
540th Combat Engineer - H&S Company
Great find M! For me, it's getting harder and harder to find things from WWII at local garage sales. 
DD
Dogdaddy 1
Yes, that was a RARE find, especially considering this garage sale was mostly junk, junk and more junk. Glad we took the time to peruse through the multiple piles.
Marion J Chard
Proud Daughter of Walter 'Monday' Poniedzialek
540th Combat Engineer - H&S Company
Yes...you must sort through many broken toaster ovens and baby clothes for items like this! 
Jim
Dogdaddy 1
Yes...you must sort through many broken toaster ovens and baby clothes for items like this!
Jim
OOPs! I meant for this post to be a reply to the garage sale topic! My Bad! 
DD
Dogdaddy 1
Don't worry! Moderator to your rescue. Look, I moved it for ya! 
Marion J Chard
Proud Daughter of Walter 'Monday' Poniedzialek
540th Combat Engineer - H&S Company