Transvaal 1904 Returned Letter Office Stationery Envelope

1904 RETURNED LETTER OFFICE stationery envelope being requisition item number RLO 2S, the OHMS Registration Envelope within which undeliverable registered mail was returned to its sender. This example used from Johannesburg (cds 30 NOV) to Heidelberg (arrival cds 1 DEC on reverse). Back flap missing, superb fresh frontal appearance. Scarce stationery piece.