Yugoslavia, 100 Dinara banknote

I have this banknote 

In Comments stands, third line “80c - with security thread, flat numbers, 7 digits”, that matches this banknote, 

but in years there is no 1978 banknotes with 80c, only 90a and 90ar.

What should it be, 80c or 90a, or maybe missing whole line 1978 year with 80c ?

N#206237

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ciki022

I have this banknote 

 

 

In Comments stands, third line “80c - with security thread, flat numbers, 7 digits”, that matches this banknote, 

but in years there is no 1978 banknotes with 80c, only 90a and 90ar.

What should it be, 80c or 90a, or maybe missing whole line 1978 year with 80c ?

 

N#206237

Hi!

the comments (80a,b,c) are for 1965 note. 1978 has only one type (plus replacement), so yours is 90a.