Envelopes-PTPO: 1910-13 w/o 'Stamp Duty' QV oval 1d red & 2d violet (3 shades) for Vacuum Oil, plus 2d Noske Bros, & 1d plain envelope used with South Australia 1d from Eudunda, plus 1d Die I & 2d Die I UN, also 1d green with 'Stamp Duty' UN. F-VF. Stieg cat US$750. (9) (Image1)

Estimate AU$250