A silver coin (23.5 mm diameter with milled edge) featuring a laureate head of Elizabeth II facing right with the legend, + ELIZABETH . II . DEI . GRATIA . REGINA F: D:.
The reverse features a ram's head facing three-quarters left; around above, AUSTRALIA, around below between two Federation stars, SHILLING . 1955. The artist's initials, KG is in the field above the star on the right.
This was the first year since 1935 that proofs were manufactured for collectors.