He also hoped to profit from sales of special postage stamps bearing the cancellation stamp of the Antarctica post office that Shackleton, appointed temporary postmaster by the New Zealand government, intended to establish there.
Han havde også håbet at tjene på salg af specielle frimærker poststemplede det antarktiske postkontoret som Shackleton, udnævnt til midlertidig postmester af New Zealands regering, planlagde at etablere der.