Look at the e in American, and the s in Lufthansa...

Look at the terminals of a, c, e, s. In AG Book they’re sloped, while in Helvetica (and in the logos) they’re horizontal.

So which version of Helvetica does AA use and which one does Lufthansa use?

Thanks again!

RG

It almost certainly started as a pre-digital version and could very well have been tweaked to better fit in the logos. By the way the bold and black 'a' from (not Neue) Helvetica aren’t so different.

As far as I know, Lufthansa used the Berthold version of Helvetica.

Isn’t AG Book the Berthold version of Helvetica?

Thank you all for your reply.

Jens & Jan - In fact, I started having my initial question after I had had a look at the letterforms of Helvetica on the Die Neue Haas Grotesk specimen book and on the Helvetica Plakat specimen book; these letterforms look neither like (not Neue) Helvetica nor like Neue Helvetica.

Looking at the logos in question, my first thought was that "Berthold Helvetica" (if it's the same as AG Book of Berthold) had been used.

Finally, what riccard0 has to say may be the reason; before the advent of the digital technology, especially with phototypesetting being around, it may be difficult to maintain consistent contours in letterforms.

I don't know...

RG

Or even Berthold's Standard BQ Medium

Some info on Lufthansa (Source: http://users.ncrvnet.nl/mstol/lufthansa.html)

«Lufthansa uses its proprietary typeface Lufthansa, which is based on Berthold Helvetica.»