They look a good match to me, and also seem wet as the builder says.
I would be more concerned that as they are saturated, there is a high
chance that they will now experience efflorecence (white salts) on the
surface, which will be a pain to remove and will look unsightly for
Bricks should be kept dry, and covered when laid to prevent them geting
when (especially via the top of the wall)
The bricks do look as if they are damp and that they would dry out match.
In particular they seem to have the same sort of variation amongst
themselves. as the exiting.
It's a bit late now but if I were in any doubt I get a hot air gun and
dry a few out. There should be some fragments of the originals lying
around these can be compared to check they are the same manufacturer.
Also the original fragments can be moistened and a made against the new
Ed Sirett - Property maintainer and registered gas fitter.
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