My interpretation of that is you can run either of those load rating tyres at those pressures.
You shouldn’t go to a lesser load rating tyre, but can go higher.
The N is speed rating - 140kmh
My ‘98 130 single cab has this placard. Doesn’t mention load ratings but notes the tyres need to me able to support the max axle load.

Steve
1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
1988 120 with rust and potential
1999 300tdi 130 single cab - "stock as bro"
2003 D2a Td5 - the boss's daily drive
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