When the amount due the Commonwealth shall have been paid, satisfaction shall be entered on the lien docket in the Department of Internal Affairs, and a certificate, showing such payment and satisfaction shall be made under the hand of the Secretary of Internal Affairs, attested by the seal of his department and forwarded to the party entitled thereto, who, upon presentation of the same to the prothonotary of the proper county and the payment of the usual fee, shall have satisfaction entered upon the unpatented land lien docket of such county in attestation of the extinguishment of the lien of the Commonwealth for such purchase money, interest and fees.