2 Centimes Algeria [επιλυμένο]

In the catalogue the year is given as 1964 gregorian calendar. But it is 1383 islamic calendar even if there is written down 1964 on it, too. I'm not allowed to change this.

Maybe it's not bad to add the link  
https://en.numista.com/catalogue/pieces2453.html
but I see it's the same with all 1964 coins from Algeria...

Just noticed the same (still not corrected?). The 20 centimes has an islamic date, while other Algerian coins seem to be sorted by the gregorian calender. What should it be when both are written on the coin?

Απόσπασμα: "BramVB"​Just noticed the same (still not corrected?). The 20 centimes has an islamic date, while other Algerian coins seem to be sorted by the gregorian calender. What should it be when both are written on the coin?
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​Then it must be what is written on the coin, of course??

Ole

All been fixed for 1383 (1964)
thank you