out of all the rare butterflies u listed above, gardinieri is the most obtainable one.
gardinieri, selene and leucopleura are all very similar in appearance and closely related.
gardinieri is found in arabian peninsula and Sri lanka. it's obtainable from sri lanka shipment just that no one catches it.
selene is found in indoenesia, western new guinea and north japan. it's obtainable from indonesia shipment but maybe it's in another part where there's no collection, or people simply dont want to collect it. selene butterfly is however, rare in it's range and not common like other butterflies.
leucopleura is found in africa and has appeared before.