Glad to see some others have an interest in this brand! This is my second pair of Davis. I got my first pair for $10 at an estate sale last year, and they are used in my bedroom as both speakers and night stands.
I did some research on the company at the time, and I saw they are still in existence in Dallas... but, only doing pro sound reinforcement - no home audio. I think the son of the founder is the one who got them into the home stuff in the late 1950's or so? I'd peg these at early to mid-60's, just by a guess. There is so little on the net about their various models, so I can't say for sure.
I got this pair for $20, and they turned out to be the exact same model as my current ones. However, they are missing the feet, the "D" logo badge on the grille, and one of the speakers doesn't have its connector on back. The previous owner remedied that by running the wire through the hole where the connector used to be. Also, some bumps and bruises on the cabs... but, still worth the $20 to me.
I'll sand them down, add a new base/feet, and maybe upgrade the connectors to some modern banana-style connectors and some crossovers. I really like my current pair, so I'm guessing these will stick with me for a while, too! For those of you in the DFW area that passed on them, you missed out! The sound is pretty nice. Maybe not as sweet as the Bozak's or KLH Model 5's I've recently purchased, but still very smooth and full. And, if it says anything towards my love of the Davis brand, I'll most likely be keeping this second pair and I just put the Model 5's (which REALLY impressed me) up on CL today. I could've easily kept the KLH instead, but something about these no-nonsense cabinets is very attractive to me.
Oh, and I'll try to post better pictures soon.