True value

https://www.pmgnotes.com/priceguide/world-note-prices.aspx?deid=1775349&subcat=1976-issue

Pmg value for issued note unc is 30€

Specimen unc 50$

Who put this values on Numista and why?

https://en.numista.com/catalogue/past_sales.php?id=207997
Plus maybe a few user values.

Mostly Superb Gem Uncirculated

and from auction site, some from 4 years ago! 

 Pmg is more proffesional, thats my opinion. 

These values on Numista are wrong and should be changed.

Best regards

Sasha

PMG is also only for graded notes from PMG, so there is that. But you are more then welcome to add more auction records the only way to change Numista values (other then removing obviously false entries etc.). Or simply ignore them like I do, in addition to the vast majority of print catalog values which are most often out of date, for graded items or from a whole different market (mostly the US).