Two copies of HH and HI are known from plate 3, so proofs were taken from two different sheets. We can speculate with some confidence for plate 3 that a block of 10 GF-HJ was taken from one sheet and an additional strip of three HH-HJ was taken from a second sheet. A second HJ is not known but it would have been easier to cut a strip of three rather than a pair from the middle of the column.
To see June 1903 cover essays in pink, green and blue click here. The rest of 1903 saw much activity producing essays and trials for the cover materials, for the cover design, for interleaves, and for the layout of the printing plates. Trials for the quality and substance of the cover, marked A, B, C, and D.