defaultIcons: {
    actors: {
        basic: "icons/svg/castle.svg";
        character: "icons/svg/mystery-man.svg";
        haunt: "icons/svg/stoned.svg";
        npc: "icons/svg/terror.svg";
        trap: "icons/svg/net.svg";
        vehicle: "icons/svg/stone-path.svg";
    };
    items: {
        attack: "icons/svg/explosion.svg";
        buff: "icons/svg/ice-aura.svg";
        class: "icons/svg/paralysis.svg";
        consumable: "icons/svg/tankard.svg";
        container: "icons/svg/barrel.svg";
        equipment: "icons/svg/combat.svg";
        feat: "icons/svg/book.svg";
        loot: "icons/svg/item-bag.svg";
        race: "icons/svg/wing.svg";
        spell: "icons/svg/daze.svg";
        weapon: "icons/svg/sword.svg";
    };
} = ...

Default Item and Actor icons

These are returned by Document.getDefaultArtwork()