A book of 20 USPS Forever stamps is $15.60 at face value, based on the current 78¢ Forever rate. USPS’s store also lists Forever stamps at 78¢ each.

Quick Scoop

  • Single Forever stamp: 78¢
  • Book of 20: $15.60
  • Why it matters: the “Forever” part means the stamp stays valid for one-ounce First-Class mail even if rates rise later.

Price Note

Some third-party sellers may charge more than face value, but the USPS price for a standard book is $15.60.