Help for the Needy 1931 block of twelve upper margin copy from MHB 23 and MHB 24, containing a horizontal strip of six 459 plus 459 plus Z plus Z plus 459 plus 459 ( = Michel number watermark 5) as well a strip of six 459 plus 459 plus Z plus Z plus X plus 459 ( = Michel number watermark 6), faultless mint never hinged condition