1. Grease well two 6-cup tube molds; ,dust with flour; tap out excess. Or use two 9x5x3-inch loaf pans.
2. Combine raisins, currants and mixed fruits in a large bowl. Grate lemon rind and add to fruits; squeeze lemon for juice and reserve.
3. Sift flour, baking powder, salt, cinnamon and nutmeg onto foil. Sprinkle 1 cup over fruits; toss.
4. Beat butter or margarine, sugar and eggs until fluffy in large bowl of electric mixer at high speed for 3 minutes.
5. Stir in remaining flour mixture, alternately with the 1/2 cup brandy or orangejuice and reserved lemon juice, beating well, until batter is smooth.
6. Pour batter over prepared fruit and fold just until well blended. Spoon batter into prepared pans.
7. Bake in slow oven (325°) 1 hour, 15 minutes, or until centers spring back when lightly pressed with finger tip. Cool in pans on wire racks for 15 minutes; loosen around edges with a knife; carefully turn out onto wire racks; cool completely. Wrap cakes in cheese cloth; sprinkle with brandy; wrap in plastic bags. Allow to ripen at least 1 week before slicing.
8. To decorate: Heat corn syrup and 1/4 cup brandy or orange juice until bubbly in a saucepan; brush over.
9. Garnish with candied mixed fruits.