DINKY TOYS 25 PDR BOXED FIELD GUN SET. This set comprises of Dinky Toys No 686 a 25 Pdr Field Gun, No 687 a trailer for the Field Gun and no 688 a Field Artillery Tractor to form No 697 a 25 Pdr Field Gun Set. It comes with its original box which displays the set nicely. Boxed sets are hard to come by.