Ok so personally I don't have much of an issue with the price of these stamps as it stands necessarily, the real issue is that eventually there aren't going to be any left. It's not so much the price that matters as the fact that they're finite and even a good chunk of that finite number are only available illegit. Why bother starting to save for something when you don't derive joy on neo from just making neopoints and the only thing you'd want those points for is to buy something which might be extinct by the time you save enough? But if players know that they'll still be able to obtain those stamps in years to come it incentivizes them to actually work for them.