This is a rare early Conway Stewart Dinkie 540 dating from the early 1930's. It is finished in the rare Harlequin pattern with gold filled trim to the lever and tassie ring. The Harlequin finish is showing signs of crazing which dulls the finish slightly bu there are no chips or cracks anywhere on the pen.
The nib is a smooth Medium with some flex, it is terrific to write with. The imprint is faint but still legible and the pen has been fully restored.