Lot 63 South Africa SG#MS69-MS70, 1936 Johannesburg Philatelic Exhibition, JIPEX Overprint, Two Miniature Sheets Of 6 With Advertisements, Inverted Watermark, SG. Cat. 7.75 GBP = $13.33

2 miniature sheets of 6 stamps with advertisements from 1936 Johannesburg Philatelic Exhibition, JIPEX Overprint New Currency Overprint Issue, which shows the 1/2d gray and green and the 1d gray and carmine. Inverted watermark.
Gibbons cat for NH is 7.75 pounds, which translates to $13.33 CDN. Est. net is $8.