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 A1.2 plus 459 ( = Michel number watermark 7) as well a strip of six 460 plus 460 plus Z plus Z plus 460 plus 460 ( = Michel number watermark 8), faultless mint never hinged condition