Confirm Identity of 3 Darbies - No Manufacturer's Name

Hello All:

Today, I acquired 3 Darbies that are without a "Maker's Name" stamped upon them.

I would appreciate any information as to the identity of each one.

I don't want to make any assumptions.

They are:

1.  "Figure 8" - Stamped with only a "Broad Arrow" and a Number "3"        (my guess = Hiatt)

2.  Non-Adjustable "Light-Weight" Darby - with LEFT-HAND THREAD.    NOTE "S" Link.   (key is pressed down against a spring, and then turned). 

3.  Adjustable "Light-Weight" Darby.   "End Caps" are unmarked and smooth/flat.     (my guess = Kayser)


Thank you.

Joe

Hey Joe,
I hope all is well with you!!

I have a very similar adjustable and and certain that it German made.
These "beehive" shaped keys are mostly identified as Clejuso and I have my cuffs like these cataloged as such. 
If they are Kayser, I was not even aware that they made darby style cuffs. I am familiar with their swing through's and thought that these were all they ever produced.

Hi Mark:

RE:   My German Adjustable Darby.....It's quite possible that I have my "Clejusos" & Kaysers" mixed up.

I was referencing "Horst-Stein" sales pages (thank you, Michael Bush)....and because I saw both a "Hamburg 8" and a "Swing-Through Kayser"...I assumed that the illustrated Adjustable Darby - was a "Kayser" model too?  I still don't know.

For all I know - These Horst-Stein sale pages may be advertising not only their own products, but that of Clejuso and Kayser too?  ...Can someone confirm?

Clemen and Jung adjustable, raised hinge pin, symmetrical swivel and cartoon described 'bee hive' key, seven notches, folded flat steel clevis, flat unmarked lock tube end. 

Thanks, Trevor.....well, that's one German manufacturer that I can rule out, as being the same as mine above.

Attached is a better photo of my (German?) Adjustable Darby.   -------Is it Clejuso, Kayser, or ???????

.....and what about the "Figure 8" and "Left-Hand Non-Adustable Darby"?

Hi Joe, the figure eight has a broad arrow so Government issue,  Commonwealth countries.  Manufacturer unknown. 
I have two darbys , one Hiatt  marked with typical Hiatt stampings. 
The other unknown manufacturer