US Army Keys J-37 J37 Key J37 Key J37 Key 

Base size      2" X 5"
     finish    Black
Ckt Closer     No
Aquired        Febuary 2ØØ1
Given to       Steve KD7NGY
               for code practise
J37 Key J37 Key J37 Key J37 Key J37 Key
Key and Plug Assembly No 9 

Base size      3" X 4.75"
     finish    Black
Ckt Closer     No
Aquired        April 2ØØ1


Leg straps were attached to this base.
The four holes, part of one rivet and
different coloring on the bottom all
confirm this.
JJ-37 Key
JJ-37
Made in Japan 

Manufacture    Soling
Base size      2" X 5"
     finish    Black
Ckt Closer     No
Aquired        April 2ØØ2