oh, look – a crown. Absolute proof that the manuscript is …
oh no… Byzantine.
or maybe Islandic
no, no…. hang on here’s another one, French.
No… maybe…English after all..
This one proves the manuscript’s fake. Look at the date!
Having proven by these frightful means that the crowns-with-or without-cross proves the manuscript belongs to Spain, France, Byzantium, Iceland and England, I’m sure it would be possible to find more examples which ‘prove’ it Italian, German, Swedish, Hungarian, Russian etc., etc., etc.,
oh – why bother – see wiki article: see ‘List of Royal crowns’.
and now here is a naughty sturgeon refusing to divulge its nationality.