My buddy ran across this at a flea market. It’s made by Anacortes Brass Works in Anacortes WA, which went out of business this year (owner retired). The buckle is around 3″ x 2.5″. The brass works has a website showing many of their buckles, but this one isn’t listed.
Bob Lawrence's Kingsport 
Do you think your buddy would consider selling that buckle?
I own it and yes, I would
How much would you like to get for it?
If I have to mail it, $7. Otherwise, $5
I’m local, I can meet you anywhere in the Tricities.
I’m local also. Where and what time?
I can do today after 7, you name the time and place if that works for you.
What time are you wanting to meet?
Berry’s Pharmacy parking lot. I’ll be in a white Honda Civic
Around 7:15 pm, if that’s cool with you
Sorry, I just saw this message. Why don’t we try for Monday say 530 at the same place?
No, that’s not convenient.
What would be convenient for you next week?
About six-ish most any day would work