We all have been facing shortage of NTGs, specially of NTGs from Koreans and Greeks. Nexon should take steps to make these nations more attractive to high level players or re-introduce NTG exchange through Marco Polo.
Yes, please consider making them random across all nations. Not nation specific... or perhaps if get two then one be random and one be nation specific. Consider it world commerce Certainly any base will be littered with objects from a far off land?