The following is Open Game Content from a 3PP Source
Grandiose: Grandiose armor is highly polished, elaborately constructed, has gold and/or silver trim and may even be enameled in some bright color. Three times per day, the wearer of a suit of armor with this ability can radiate a powerful burst of awe-inspiring magic, granting the wearer a +10 bonus to Intimidate checks and a +4 bonus to the wearer’s Charisma score. The bonuses last for 5 minutes each, and the wearer can only benefit from one use of the armor at a time.
Faint illusion and transmutation; CL 1st; Craft Magic Arms and Armor; awe, eagle’s splendor; Price +3 bonus.