Australia Post Australia Post pays tribute to frontline heroes with new stamp issue Australia Post has released a new set of stamps honouring those who have continued to serve and protect their fellow Australians in the face of the global pandemic, and the associated challenges that came with it. The Frontline Heroes commemorative stamp issue pays tribute to healthcare workers, Australian Defence Force members and police, educators, and essential services including postal workers, supermarket staff and deliverers of food and other essential items. Australia Post Executive General Manager Community & Consumer Nicole Sheffield said the stamp designs represented the everyday heroes who continue to keep the country moving by providing important services to the community.