Dollis Hill 2d Red-brown Wmk to Right with Green AOP Gutter Pair

The phosphor reacts to Short wave UV only (an Entirely New Stamp). From sheet 45 (stamps from this sheet appear in red-brown and light red-brown). This item is illustrated on page 22 of the Dollis Hill Find. Ex The Edward Klempka Collection who was the Author of the DOLLIS HILL FIND