Vintage CORBIN Mortise Lock Door Hardware Brass Knobs

Condition:

Here is a handsome lock set of heavy-duty brass.

From the1890s-1905.

It is mortised into the 1 1/2" thick door plus has plates mounted on the door.

The knobs control the latch but is key lockable. (no keys available)

Interesting collector's item or use it. 

Weighs about 5 pounds.