Hi.
I think you mean Stourbridge (which is where the Richardson factory was) rather than Stourhead. The first picture you uploaded, and the matched pair in the bottom image look like Richardson pieces, as does the bottom left one in image 1, but I have never seen a dated one. What you do get are dated Old English pieces from Arculus and Walsh Walsh (both of Birmingham). These sometimes carry a false '1848' date (they were made in the 1920s - 1930s). The right hand piece in your top image looks like an Arculus paperweight, and it may be that there is a crude '1848' set in canes - check the third row in from the edge at about 10 o'clock in your image (I cannot quite make out what it is). The millefiori inkwell looks at first sight like a Walsh Walsh piece, but some of the canes look more like Whitefriars: I suspect it is a Whitefriars piece from around 1950.
Alan