With the successful Foden models in the TV Series & Mighty Midgets (No.20 Flat Truck & No.21 Diesel Wagon), Benbros expanded the idea by creating more cab/chassis castings to which different bodies could be added to enlarge the range. Two were designed and these were based on the AEC Monarch vehicle and the versatile Bedford 'S-type' lorry. 

On No.23 the van body used was interchangeable between both AEC and Bedford cab/chassis versions and was a simple hollow box without a floor or rear doors. On the AEC it sat flush with the rear of the cab but on the Bedford there was a small gap.

The AEC was the first to appear and had the honour to be the last model in the TV Series before the range was switched to Mighty Midget boxes. The initial variations had an orange cab & chassis (without silver trim) and, for the first issue, a pale-green body, and for the second, a dark-green body. The wheels were unpainted metal on nailhead & crimped axles, and 'Benbros Made in England' was cast under the chassis. 

The TV3 box reveals that perhaps Benbros had initially planned a Foden for this model. The picture shows the eight-wheeled vehicle as used for Nos.20 & 21 with a box-van body, opening rear doors and 'Benbros' signs on the sides. What Benbros actually produced was a four wheeled model without rear doors and no decals on the AEC version. 

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When Benbros introduced the Mighty Midget box for the Delivery Van they put a more accurate picture of an AEC lorry on the picture face but it still depicted opening rear doors which were probably never intended for this model.

After the first two-tone models, Benbros switched to single colours starting with an all-over orange-red variation (shades varied) with unpainted metal wheels. Then, when Benbros was introducing metallic colours for many models, the Delivery Van appeared in both metallic blue and metallic green, and these were complete re-paints of red models, including wheels and axles, with the old red colour usually visible inside. Later, metallic blue models which were not re-paints were fitted with unpainted wheels.

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When the Bedford versions were introduced they were painted plain red (in various shades of an orange-red colour) and were fitted with unpainted metal wheels and carried no decals. Under the chassis they had cast 'Benbros Qualitoy Made in England'.

Before long, however, 'Dunlop' decals were added to the Bedfords using the early type transfers without a logo. Also, the red colour of the models was darker but the wheels continued to be unpainted metal.

The final variation of the Bedford Delivery Van was a dark-red model with black plastic wheels and 'Dunlop' decals without logo.

The AEC Delivery Van in red can be found at auction fairly often but the other models are scarce and the early orange & green models in TV3 boxes are very rare. The Bedfords are easier to find but the red one with unpainted wheels and a decal (variation 2) is rare.