https://www.the1901club.co.uk/membership-tiers
There is indeed a Platinum tier of 1901 membership but nothing about away matches that I can see. Oh well.
Search the Seagulls website and there are a few news items relating to the launch of it but nothing about it closing nor any links to it! Seems like it just quietly slipped away.
This! The lexical semantics of the expression "loyalty points" does cause confusion. Should rename them "reward points" or "ticket points" or something.