Possible Clues:

• Jumper, pocket-size originally
• Native marsupial Down Under
• Emblem on the Australian coat of arms
• Hopper in a “mob”
• Marsupial (two friends of 19)
• Brown keeps on about cloth used up for jumper
• Milne characters brought together by D. H. Lawrence
• It's bound to be found far away from Ireland
• Illegal court of marsupial origin?
• Marsupial from down under