Bingo ! Yowser

David I did try Taiwan (was my first choice)
but was unsuccessful.
Thing was I guessed it was around 1980 but the low value
40c didn't fit.
One thing with China and Taiwan, they are very regimented with
the style of font for their currencies
That's how I twigged it was Taiwan from the start
Bolder font with zeroes underlined for the higher values.
Thanks a bunch.