This is a lovely big sterling silver box.
Maker: William Frederick Wright
Inside gilt, great quality.
Dimensions: 10,3 x 7,7 cm
Hight: 3,5 cm
Weight: 160 grammes.
Period: 1903 ( lettre date "h")
VERY GOOD CONDITION, very tiny scratches of use, very little bump underneath.
Here is a converter inches / cm to help you with the dimensions.