(...) that have very little postal value... and beyond speculation there is nothing more....
good feeling collector's value

Aye it is speculation...but the collector in me is weak and I just collect anything stamp or crypto related.

LOL
Since I saw that the new Italian issues have "frightening" circulations and dealers who sell "under face value..."
I believe that philately has "evolved"
Generally speaking, these kind of stamps remind me of CTO stamps (cancelled to order).
(for who don't know..It means stamps created and then voided by administration. Just "labels" nothing more, no real postage...)
I think that only postal history has a "real value"... of course some "variety".... but I have seen really fews in this years ....