written alongside, 4c. similarly treated, the additional stamp "white paper, green key, purple ovp" which has also been crossed through and "blue paper, D F black, ovp red" written alongside and dated 11 August 1903, 5c. also replaced (the replacemant stamp removed) with "buff paper, purple key, ovp black" and the 25c. also changed twice, the final stamp marked approved "green paper, (green) key, red ovpt". The sheet is endorsed at left "All Colours passed, CA letter 2nd July 02" in red. A magnificent showpiece. Photo" /> Proof Appendix C sheet bearing the same trials except the 3c. crossed through in red and another affixed over the top with<I> "yellow paper, green key, red ovp"</I> written alongside, 4c. similarly treated, the additional stamp<I> "white paper, green key, purple ovp"</I> which has also been crossed through and<I> "blue paper, D F black, ovp red"</I> written alongside and dated 11 August 1903, 5c. also replaced (the replacemant stamp removed) with<I> "buff paper, purple key, ovp black"</I> and the 25c. also changed twice, the final stamp marked approved<I> "green paper, (green) key, red ovpt"</I>. The sheet is endorsed at left<I> "All Colours passed, CA letter 2nd July 02"</I> in red. A magnificent showpiece. Photo | Christie's