b'40432432** * 10 Aug.1920 (AAMC.48c, Frommer 3b) For the Herald & Weekly Times experimental flight from Melbourne - Hamilton, a Herald Air Mail vignette in brown was prepared; a complete sheetlet of 4 units (2*/2**) with selvedge. Extremely rare thus, only 3 blocks believed to exist.Provenance: Tom Frommer Grand Prix Gold Collection. .$2,0003,000433433* 27 Sept.1920 (AAMC.51e, Frommer 4b) For the Herald & Weekly Times promotional flight from Melbourne to Longreach for Pals boys magazine, Pals Air Mail vignettes in red were prepared; a complete block of 4 with selvedge; extremely rare, with only 4 such blocks believed to exist.Provenance: F.W. Hill, Tom Frommer . $2,5003,500'