هن جو ڪم اهڙي ته مڃيل معيار وارو ۽ تفصيلي آهي جو هو فليٽلسٽس وارن جي تمام "ٿورن هزارن" نالن مان هڪ آهي. ڪي صرف هن جو ڪم گڏ ڪرڻ ۾ مهارت رکن ٿا.
His work is of such recognized quality and detail that he is one of the very few "household names" among philatelists. Some specialize in collecting his work alone.