Text in Latin at f9v

[Rafal]

Oh my, it looks like all low hanging fruits have been already picked. You guys did it all, you just didn't cracked it.
I guess I may delete my account here   

But let me add:
Rene's site says it's "por" but I think it's "pur", the middle letter is not closed.
I enhanced the picture a bit:
   

And if it was purple then it would be compatible with this thread:
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This is how viola tricolor (wild pantsy) look like:


And by the way I would have comment to this from Rene's site:

f1v
A single 'g' under the paint of the second leftmost green leaf
The suggestion is that this indicates that it should be painted green.

Another option is "gelb" - yellow in German