- BULLETIN MAILED - THE MYSTIC SOCIETY OF CARDS & KEYS (M.S.O.C.K.) LATEST "INFORMATION BULLETIN" IS IN THE MAIL TODAY (TUESDAY). 16 PAGES WITH 58 PICTURES OF CARDS & KEYS. 3 PAGES WITH ADS TO BUY,SELL, TRADE CARDS, KEYS, ETC. MANY QUESTIONS ANSWERED ABOUT THAT MYSTERIOUS TRUMP PLAZA "RED HATTERS" CARD.