Dice 125 g apricots very finely. Cut the rest of the apricots into strips. Grind nuts coarsely. Mix well with apricot cubes and rum. Leave to stand for about 20 minutes.
Chop the couverture and melt in a hot water bath. Form approx. 18 walnut-sized balls from the apricot mixture. Dip the balls into the couverture and let them drip off. Place on baking paper. Decorate with apricot strips and leave to dry. Store in a cool place