Originally Posted by Unregistered

My guess is, for the first phase, the 10 stamina map, with always 5 of those things, is most cost efficient.
Would translate to reliable 40 at 80 stamina, if someone can try the other ones, don't have any stamina for this left~

?-2 nets you 8-10 papers so I guess ?-1 is still the better event item drop per stamina.