b'33186188190 191189186C 19 Nov.1923 usage of 6d Pale Ultramarine (Die 2B) on Registered cover from ADELAIDE to GERMANY. with MUNCHEN 2a arrival backstamp. A lovely single-franking cover. Cat.$500+. .$200250187C April 1926 usage of 6d Chestnut Die IIB [BW:21A] on registered cover to Germany, the stamp tied by MURTOA (Vic.) datestamp with red/white registration label alongside, Murtoa, Melbourne & Crailsheim (arrival) backstamps. Fine condition. .$80120188* 1/- Bright Blue-Green (Die IIB) Mullett Imprint pair with SIDEWAYS WATERMARK, fresh Mint.[Unlisted as such, but see note at p2/122 in BW [2017 edition] re existence of Imprint blks. 4 valued at $2250.] $400500189** 1/- Green Die IIB perf OS Plate 3 marginal block of 12 (2x6) with varieties Retouch to upper right frame [3L6] & White flaw in lower-left corner [3L11], few light bends/creasing and some surface marks, lightly tanned gum, MUH; BW:33ba(3)d&e, extrapolated Cat $5300+ $1,0001,500190O 2/- Aniline Red-Brown, few nibbed perfs, very well centred, South Australian squared-circle datestamp; BW:37G - Cat $2000. Drury Certificate (2017). $7501,000191* 10/- Grey & Aniline Pink, left marginal single showing Slight misplacement of Roo to upper left resulting in the ears being completely outside the W.A. coast. Mint, very lightly hinged and well centred. A lovely stamp. BW: $5000. .$8001,200'