 The Sovereign was unusual because the casing was made from pressed steel , which gave it a much higher quality feel compared to injection moulded plastic . This allowed a variety of paint and plating options , including black painted , chrome @-@ plated , silver @-@ plated , and gold @-@ plated , and a limited edition silver @-@ plated version , inscribed to commemorate the Silver Jubilee of Queen Elizabeth II in 1977 , were also produced . Asprey of London was rumoured to have produced two Sovereigns in solid gold , costing GB £ 2 @,@ 750 each . 
 The Sovereign was unusual because the casing was made from pressed steel , which gave it a much higher quality feel compared to injection moulded plastic . This allowed a variety of paint and plating options , including black painted , chrome @-@ plated , silver @-@ plated , and gold @-@ plated , and a limited edition silver @-@ plated version , inscribed to commemorate the Silver Jubilee of Queen Elizabeth II in 1977 , <a href='uninflect' title='1'><mark>were</mark></a> also produced . Asprey of London was rumoured to <a href='been_done' title='2'><mark>have</mark></a> produced two Sovereigns in solid gold , costing GB £ 2 @,@ 750 each . 
Da Sovereign was unusual because the casing was made from pressed steel , which gave it a much higher quality feel compared to injection moulded plastic . dis allowed a variety of paint and plating options , including black painted , chrome @-@ plated , silver @-@ plated , and gold @-@ plated , and a limited edition silver @-@ plated version , inscribed to commemorate the Silver Jubilee of Queen Elizabeth II in 1977 , was also produced . Asprey of London was rumoured to done produced 2 Sovereigns in solid gold , costing GB £ 2 @,@ 750 each .