Opinions sought on cased and screwback EKI's

[peterwyndavies]

I would be grateful for opinions on these 2 EKI's, one being in its case, the other a screwback. I attach some pics.
Thanks,
Peter

First the one in its case.

[peterwyndavies]

Another 2 pics.

[peterwyndavies]

The screwback EKI.

[peterwyndavies]

Couple more pics.

[AUSGANG]

I don't know about the cross, but the screw back disk is a repo/fake...

Here's a "51" pin back fake cross to compare:

[AUSGANG]

If the screw back is one piece then its fake for sure... the lack of anti-rotation pin is also a giveaway.. Here's the fake SB 51:

[Dansson]

The EK1 marked 26 is authentic,
but the SB marked 51 is not authentic.

[Hank C.]

The EK1 marked 26 is authentic,
but the SB marked 51 is not authentic.

Agree; 26 original, 51 fake.

Hank

[Douglas 5]

Agree as well ---- 26 is good - but the 51 is a known fake .

Douglas

[peterwyndavies]

Thanks Ausgang, Dansson, Hank C, and Douglas 5,
What do you mean by anti-rotation pin, Ausgang?
Thanks,
Peter

[Douglas 5]

If I may answer here :

Douglas

[peterwyndavies]

Thanks Douglas,
As they say, a picture is sometimes better than a thousand words.
Just wondering, do all genuine screw backs have these?
Peter

[Douglas 5]

No ... they do not .... most actually do not have this pin .

Douglas

[peterwyndavies]

Thanks Douglas,
Peter

[sanya13]

I agree with the guys the first a good type but the mm 51 a