1940 Surcharged 5m on 10m SG #SG #78&c, marginal block of 30 (6x5) with variety Short 'mim' (3rd row, 1st unit) and Inserted '5' - spacing between '5' and 'M' being 2mm (4th row, 5th unit), mounted in upper margin only, stamps MUH, Cat £350+. (Image1)

Estimate AU$120