ANTIGUA 1970 CHRISTMAS IMPERFORATE PROOF SHEET OF 100 STAMPS
35c Christmas printer's working imperforate proof sheet of 100 stamps in indigo (compared to black of issued stamps) with digs and scratches highlighted in red. Dated 14.9.70. An extraordinary and unique survivor ex De La Rue archives. Folded through inter-pane gutters otherwise fine. SG288var; SC260var
