Any help identifying this old flatbed.....

I just acquired this old flatbed that I'm going to start using.
Can anyone help identify anything about it?
Filling out the title paperwork and just don't know the year it was made.

The license plate on it is a Utah plate (A 62988) which expired in 1995 and the front of the trailer has a ID plate on that says:
Distributed by Anchor Equipment Co.
1605 West North Temple
Salt Lake City, Utah
Serial Number 10678

It also had split rim tires on it.
Size 10-22 whish are almost impossible to find anymore.
Don't worry, I've upgraded to one piece 24.5's

Anyone have a little knowledge they can share to help find the year on this trailer?

 

Thanks for all the replies guys! Yes, she is a stout old trailer. She doesn't dog track at all which is amazing at this age. Just towed her 250 miles to get her home and time for the repairs to start.
Since there might not be a paper trail on this thing, I might just say it's a 1972 model. It will be easy to remember the thing is as old as I am. haha
But another thing I forgot to mention was this trailer does not set the brakes without air applied. disconnected from the truck and no air in the tank means the wheels free spin. This made it nice getting it home. There were brake issues so I just released the pressure in the trailer tank and she rolled great all the way home. What year did they go to the modern air brake set up?

I thought about that but then it has to go thru the whole inspection process here in Utah. It's just a lot easier to get an abandoned vehicle title than a new, homemade title. But I did think about this possibility.

This trailer does have the Budd wheels on it and not the spokes which made it super easy to upgrade to the 24.5" wheels.
I was guessing mid 70's but couldn't find anything to support this. Even Anchor Equipment is out of business and I can't find when they shut down.

Did internet searches for the plate number but that came up with nothing.
Have to have a VIN inspection on it done so maybe the trooper can see if his system shows anything on the plate.

The guy I bought it from had no title because he bought it from a farmer who used it to haul hay.
Who knows when the title was actually seen.

 

That trailer looks virtually identical to the one I have. Maybe the landing gear is a little different but looks very much the same