One features him walking through Sherwood Forest while another shows him firing an arrow.
Australia Post has conferred this honour on the New Zealand born actor who became an Australian citizen in 2006, for his contribution as an actor.
Sir Ridley Scott's Robin Hood, starring Crowe and Cate Blanchett, will open this year's Cannes Film Festival.
'The release of the film Robin Hood this month is of global interest and we thought it would be very fitting to pay tribute to this great actor by producing the Robin Hood stamp pack,' BBC quoted a spokesman for Australia Post as saying.
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