You searched for: “vexillomanias
vexillomania (s) (noun), vexillomanias (pl)
An abnormal desire to collect, to have, or to posses, pennants, streamers, colors, etc: Since he was obsessed with his vexillomania, and because he had the necessary funds, Evert decided to establish an exhibition in a local museum so he could share his vast collection of flags with other people so they could appreciate his vexillophiliac passions.