Coins weigh 2.32 grams with a diameter of 18.034 mm and have a composition of .925 silver, .075 copper.
The reverse was taken from the 22 leaf Victorian variety. The Imperial crown was added with a new legend. In 1909, a new broad leaf was created with strong, detailed venation.
BC-24a: 1937 $10 Osborne-Towers, PMG VF30 Serial #A/D0788166
BC-29a: 1954 Devil's Face $1.00 Coyne-Towers, PMG GU65-EPQ #C/A3488779