Cobalt blue is an indicator of the period between 18, and was widely used.After 1865 cobalt blue was no longer in use; and overglaze enamel colours were used exclusively. By the1870's most figures were produced in white, and a less expensive form of gilding was introduced, which was painted on after firing which made it a much cheaper method of production.
Most Staffordshire models of animals and historical figures that we see today are the work of the 19th century craftsmen; earlier 18th century examples by Ralph Wood, father and son, Whieldon and Pratt are scarce and costly.
The earliest figures, now known as Astbury or Whieldon are more correctly salt glaze figures with glazes resembling tortoiseshell.
It is also characteristically friendly toward strangers. Although it doesn't usually look for a fight, it is fearless and tenacious.
It may not do well around strange dogs or sometimes even household dogs that challenge it.
In the early 1800s, the sport of rat killing had become quite popular among the working classes.