I can't really add any weight to this discussion, as I've never handled a Monaco :(
But.. my guess would be that someone has happened across a poor condition case & restored it.

Stewart

: Hello Rob,

: Original M-case for me...however as you already mentioned there are
: two big things that would disturb me.

: The finish on the caseback and for me the serial and modelnumbers
: are definately re-engraved...

: Cheers,
: Abel.