Adams & Co., Per Express. Endorsement at bottom of collect express cover to Melbourne, Australia, with poste restante "He is now at or near Ballarat & information can be got to him there it may be three or four months before he will call for this" and reverse "Let this remain in the office Melbourne until sent or called for as it is of some importance to the person to whom addressed…" with "Advt'd" endorsement, cover reduced at right, F.-V.F., a rare Adam's transpacific express usage. Estimate  $1,000 - 1,500. $0 (Image)