At 13:38 +0200 2002-10-02, Marco Cimarosti wrote:

>Therefore, I tentatively identified the word as "?????" ("ôurôn"), and the
>unknown glyph ligature as an "??" ligature ("ôu": omegha + upsilon).

Omicron upsilon.

>Does anyone know whether such a ligature actually existed in old typography?
>And was it anything like an open "8"?

Yes. I've seen it in modern graffitti in Athens too.
--
Michael Everson * * Everson Typography * * http://www.evertype.com
48B Gleann na Carraige; Cill Fhionntain; Baile Átha Cliath 13; Éire
Telephone +353 86 807 9169 * * Fax +353 1 832 2189 (by arrangement)