Information provided by Lucchese:

-Model #:     6380

-Leather:  Smooth Ostrich Vamps,   Ranch Hand Shaft.

-Color:  Chocolate Brown

-Size + Width:  11B

-Construction:  Men's Western

-Toe & Heel: 6 (Rounded) toe   4 heel

-Year Built: We do not have a manufacturing date.  Your boots were manufactured at our Lucchese San Antonio, TX location before the factory was relocated to the El Paso, TX location more than 25 years ago. 

I have scoured the Internet and cannot find this exact same pair. These truly could be one of a kind.