Envelope, 1893, 1¢ Columbian, 1½¢ surcharge in black. Entire, Very Fine, a rare unrecognized 1925 re-value surcharge "error" (tentative listed type 8 surcharge in Thorpe-Bartels) either of favor or oversight by postal employees. Scott No. U348var  Estimate $1,000 - 1,500. $0 (Image)