Identify 2 similar razors - G/N and Gillette - both ball-end

Hi guys,
could you please help me to identify 2 razors I have recently received?

Both looks similar, one is Gillette, probably NEW, made in England with ball-end.
The second one is very similar, as well made in England but has stamp "G/N"

Here are the both razors:


Here we have combs:


Here we have handles:


And this is the comb from this G/N:


Thanks in advance!

Some one here will be able to tell you.

Welcome, neighbor from Warsaw, Poland.

The snaggletooth one is a NEW, as you said, don't know about the G/N.

An interesting threat that belongs here:
http://badgerandblade.com/vb/showth...cked-handles-shafts-in-Gillette-Old-Types-etc

Thnx guys!
Still searching any info on G/N - unfortunately Google Search or any other search engines skips special characters like "/"