Wolseley Viper Hispano Suiza

[janinecollectarea]

Hi We have a Wolseley Viper on the wall in our garage inherited from my late farther in law (in the family for 50 years) I wander if anyone has any info on this ie what type of plane it would have been on value etc..

The details on it are stamped
Hispano Suiza
DRG No 662CRH
D2400 P1750
G1736 N21
8ft long
8" wide blade
In excellent condition