By Julie Gordon OTTAWA (Reuters) – The death of Britain’s Queen Elizabeth has collectors scrambling to secure rare coins and bills bearing her likeness, even as her portrait is set to remain in circulation for years to come on money throughout the Commonwealth. Coin dealers say demand for rare-issue notes and coins – such as a pre-World War II Canadian $20 bill featuring Elizabeth as a child or Australia’s Platinum Jubilee 50-cent coin – has surged since the queen died in Scotland on Sept. 8. Queries have been coming in from both seasoned collectors and novices eager to commemorate the death o…