First released in a trade box of six models in 1951, this model, together with seven others, became affectionally known as one of the '40 series' by Dinky enthusiasts. I believe it was the sixth release following the initial Riley 40a.

First released in a trade box of six models in 1949, this model with seven others became affectionally known as one of the 40 series by Dinky enthusiasts.

First released in a trade box of 6 models in 1948, this model with seven others became affectionally known as one of the 40 series by Dinky enthusiasts.