Copy letter, from Sir John Herschel to Edward Wolstenholme Ward, dated at Collingwood Copy of a letter. Happy to hear that [new Sydney mint] is going well. John Frederick William Herschel confined with painful illness since Mar. 1855; still unable to walk or stand upright without support. Aluminium may be used in coins, but John Frederick William Herschel doubts it will replace iron in pots and pans. War is ended, but people worry about further Russian aggression. 24 April 1856