United States Blocks of 4, 1904-1968. Displayed in clear mounts in Scott Specialty album, somewhat scattered until about 1925 but include 518 NH block, thereafter quite complete and virtually all never hinged including Prexies to $5 ($ values are plate blocks), commemoratives about complete for the period from 1925, Liberty series include $5 Hamilton block, back-of-the-book with C18 NH block, etc; please inspect this attractive collection. Estimate  $750 - 1,000. $0