Boxed set Letterpress Printers Type Printing blocks complete numbers stamps old

Boxed set antique rubber Letterpress Printers Type Printing blocks numbers.

Salvaged from a 1920s factory clearance in Coventry called Hey Engineering.

Untested but used right up until salvaged. Please see photos for which numbers there are  there's only numbers 1-9.

The numbers printable height are 2.4cm high