1897 QV DAY BOOK DIE PROOFS: NEW COLOURS, THE 1897 VALUES: 18c, 36c, and 1R, (SG 31,32&34) the duty plates of country name & value tablets, each stamp-size in black on glazed card and affixed to De La Rue day book piece marked "Nov 10 60 leads each" and with red invoicing date "Dec 17 1896". Likely unique and offering a complete representation of the working process for all three of the 1897 stamps. VF, a rare archival piece. Ex De La Rue archives.