This is a Matchbox Models of Yesteryear Y-6 1920 Rolls Royce Fire Engine diecast model.
It's part of the "Models of Yesteryear" series by Lesney Products, known for their vintage vehicle replicas.
The model depicts a 1920 Rolls Royce Fire Engine, specifically the Y-6 model in the series.
You can find various versions of this model for sale, including new and pre-owned options, on platforms like eBay.
When purchasing, check for details on the specific variation (e.g., ladder color, wheel type) and condition (boxed, unboxed, defects).