Old St. Andrews Scotch Whiskey Gift Pack Old St. Andrew's (OSA for short) cooper's choice imitation whisky barrel 3 pack makes a wonderful miniature gift. The OSA whisky barrel 3 pack gift contains 3 different ages of OSA blended malt whiskies: Twilight 10 year old coopers choice barrel. Fireside 12 year old coopers choice barrel. Nightcap 15 year old coopers choice barrel. "Blended Malt" is a blend of single malt whiskies.