We still don't have our 2017 Gold cards
From United but the agent at the counter called the lounge and they let us in with a smile.
Incidentally, we were pleasantly surprised that the Lufthansa Lounge folks let us in at MUC last week armed simply with our "Star Gold" boarding passes. Their diligence is legendary.
PSA appears to be a somewhat dismal and overcrowded facility, so it's pleasant to relax in this little refuge before boarding our Lufthansa regional jet to Munich.