Thanks, gents. I couldn't recall from previous inspection of the Croatia section of the catalog (years ago), if the imperfs were valued significantly higher than the perf'd ones.
...and one update that Michel 2015 edition (set #158-160), mint, catalog value are now (for single set) 1.20 euro. In block of four it go to over 5.00 euro.
Strpic catalog from 2012 year same set value at 6.00 US$ (in block of four it go to 25.00 US$), so....