Cape of Good Hope 1907 Parcel Post Receipt, Superb

1907 PARCEL POST RECEIPT: KEVII 1d affixed to receipt issued at Sir Lowry Road post office, cds OC 13 07. VF, scarce.
Printing on reverse reads "This certificate is given to inform the sender of the posting of a parcel, and does not indicate that any liability in respect of such parcel attaches to the Postmaster-General or other officer of the Post Office. No certificate will be considered valid unless it bears a postage stamp of the value of 1d. obliterated with the date stamp of the office at which the parcel was posted."