Help Identify This Brass Key

[mountaindetector]

Found this brass key and I hope someone can help identify. I do see A&W CO. I looks like _RY - ESYS maybe? It's just about 2" long. Any help would be appreciated.

 

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[TheCannonballGuy]

It appears to be a railroad padlock key, and likely a railroad Switch-lock key. Go here:
Railroad Padlocks - Southern Pacific Railroad Co - Antique Padlocks

The marking "A&W CO" (with part of "CHICAGO" below) is the Adams & Westlake Company.

I can see RY marked on the keyhandle's left, which probably represents Rail Way. The letters on the right are a code for the lock's use. SYS is probably Stock Yard Switch. Codes are here:
Antique Railroad Switch Lock Keys Value Guide | Antique Railroad Memorabilia

 

[bradyboy]

very cool Key - Brass?
Brady

 

[mountaindetector]

very cool Key - Brass? Brady

Yes it is brass.

 

[mountaindetector]

Railway Switch Key

It appears to be a railroad padlock key, and likely a railroad Switch-lock key. Go here:
Railroad Padlocks - Southern Pacific Railroad Co - Antique Padlocks

The marking "A&W CO" (with part of "CHICAGO" below) is the Adams & Westlake Company.

I can see RY marked on the keyhandle's left, which probably represents Rail Way. The letters on the right are a code for the lock's use. SYS is probably Stock Yard Switch. Codes are here:
Antique Railroad Switch Lock Keys Value Guide | Antique Railroad Memorabilia

Thanks for the help. That confirms the information I received after my post. I emailed the guy at Railroad Collectibles, hopefully he'll have some detailed information on what railway and how old it may be.