(1) If the licence of any person to deal in stamps expires or is revoked, or if any person licensed to deal in stamps dies or becomes bankrupt, and any such person at the expiration or revocation of his licence, or at the time of his death or bankruptcy, has in his possession any stamps, such person, or his executor or administrator, or the receiver or trustee or official assignee under his bankruptcy, may, within six months after the expiration or revocation of the licence, or after the death or bankruptcy, as the case may be, bring or send the stamps to the chief office or to one of the head offices.
(2) The Commissioners may in any such case pay to the person bringing or sending stamps the amount of the duty thereon, deducting therefrom the proper discount, if proof to their satisfaction is furnished that the same were actually in the possession of the person, whose licence has expired or been revoked, or so dying or becoming bankrupt, for the purpose of sale, at the time of th