100 Hwan South Korea

Hey

Can anyone tell me if there are there any differences between P-19b and 19a ??

100 Hwan - South Korea – Numista

Thank you!

The difference between a, b and c seems to be the year.

Hmm that's it? Shouldn't really change catalog number just for this 

You have to ask the Ghost of Albert Pick. I've seen no minor changes other than the year (I didn't zoom onto every little detail), with pictures taken under all kind of different light settings and with different devices I can't tell if there are slight color differences.

From Banknote Catalog

N#204222 is similar and again nothing to explain it on the page.

a vs b seems just to be more lightning to be honest

A new year being a new letter is pretty consistent with both Pick and Banknote Book's catalogging method.

Got it, thank you