1919, 1 ½d black-brown KGV, tied by machine cancel Sydney, 3.JA.1919, single franking on insufficiently addressed cover to Sheffield and missent to Victoria, on the frontside boxed 'POST-TOWN / NOT KNOWN IN / VICTORIA' and m/s abbreviations for searching possible destinations, along with blue cds Sheffield/Tasmania, twice on 6.JA.1919 resp. 11.JA.1919, reaching the correct destination. Unusual and attractive postal history cover!