Looks like Rockwell, but the proportions don't look right...

It's more elegant than Rockwell and doesn't have the ball serifs of Archer.

There are at least 4 matching fonts,
and as I don't if they are legitimate or not,
I will reveal the first 2:

PogoSSK Bold
Pogo SSi Bold

Does anybody knows more about which is the original design?

That doesn't look right to me either.

sorry double post

Where did you spot the difference?
They seem like a perfect match to me,
except of the blurry rendering at some letters' serifs,
due to the low image resolution.

SSi and SSK are from Southern Software, that was sued by Adobe for forgering Utopia.

Is there a possibility for the following font [(c) 1986] to be the original design?

Alexandria FLF Bold - 4.1 (c)1986-92 by Richard A. Ware

(in case this is confirmed,
I think it's a good idea for an admin to delete the 2 fonts I mentioned in my first message)

Alexandria looks more like it. Thanks.

FLF fonts are adaptations of existing fonts with some minor changes to avoid straight copying. To me this font looks like a slight modification of URW Stymie. The serif on the middle arm of the E is gone, but offhand the rest looks the same to me. The G has the beard, the Q has the same tail, and the R leg is fairly close to the stem just like the posted sample. Stymie's serifs are shorter than Rockwell's, but in the U.C. letters are quite similar except for the letters I mentioned.

- - Mike Yanega

"...good idea for an admin to delete the 2 fonts I mentioned in my first message)"

You are allowed to guess wrong and have it noted for eternity ;-)

You can get some more information about Casady & Greene (FLF) on Luc Devroye's page, Type scene in California.