1916, 1¢ green, "Springfield Mass." experimental precancel, affixed to unsealed cover at 1¢ printed matter rate to Sayville, Ky., Liberty Loan handstamp, light cover crease affects 1¢, F.-V.F., A truly scarce item, especially on cover.; with 2004 P.S.E. certificate. Scott No. 462 var.  Estimate $750 - 1,000. In 1916, the Bureau produced its first precanceled stamps on an experimental basis. $0 (Image)