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Got a box full of old keys today and just finished sorting through them. Lots of old car keys, flat steel and warded keys, etc.
Here are some highlights!
Ring of Yale small pin keys, most are marked "Made for Overhead Door Co"


Barrows and Lockwood


Curtis blank, made right here in Cleveland


Yale small pin keys


Yale VC key, 6 pin


Very cool markings on these old Yales


Reading


Schlage round head, some kind of reverse keyway

Some info I got regarding the Schlage round head key, courtesy of Pete Schifferli on antique-locks forum:

"The early Schlage round bow blanks were 921B for 5-pin and 922B for 6-pin. There was also a 920A for single-bitted wafer tumbler locks used on ancient F-Series locks. All those cited were made of nickel silver. See thumbnail image taken from 1936 Schlage catalog.

Pete Schifferli"

Dang that is cool, Jeff!

Gordon

That 920A or "A" (and a "W" ) are still in use today. They were slapping them on apartments and houses in the 60's and maybe into the 70's. There are a bunch of them in use in my neck o the woods.

"Ancient." I know people who have this style lock on their front door as a KIK. Fortunately they also have a Kwikset installed, so they're safe and secure.

/sarcasm

To Jeff, anything prior to 1980 is ancient.

Gordon

Hey now, I am not the one who wrote that! You can see it's in quotes, so yell at Pete on Antique-locks forum

PS, Gordon, anything before 1987 is ancient to me.

Cool keys Jeff! Do you still have the key in this picture? I'd like to get some measurements, like the holes diameter and the bow height and width. And since you're at it, the total key length.
I'm planning to make a key for a still bank lock and was thinking to replicate this key bow.

Thanks

I believe I still have it. I will check over the weekend

Great, thanks

EDIT: I've added a png showing what I have in mind: a simple profile to be cut on a 1 mm (1/32 inch approximately) thick stock. The bittings can be cut later.

I have the key.
Hole diameter is .250"
Bow width is .905"
Total key length is just under 2"

Let me know if you need any more info!

Thanks Jeff, that's all I needed. I'll let you know if I actually make the keys.

Thanks again