With the lighting, I cannot determine whether the 1d is an original (pre-war) or pale (wartime) shade. I think the latter. The 1/2d is the pale scarlet wartime issue. The stamps catalogue at some 50p - £1 each. But that, mostly, is a minimum retail price. As a multiple, there will be little added value. They are not from parts of sheets with interesting markings. Both are positional blocks. The 1d does have the guide box used the align the sheet for perforation. Although generally in good unmounted condition, a few have a (very) small issue.
You might get a tenner for them, but I think a fiver is more realistic. No doubt there will be enough people interested if the price is not too high.
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