I found these rusty blades in an antique shop yesterday.

The Robuso has promise. This pix is
prior to doing anything with it. After taking the pix
I have given it a run over a 15micron film and the
rust/pitting does not appear to bother the edge.
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Robuso Solgen Germany
89 Clover Four

The second blade is the one I have no clue about and
am curious if anyone knows more. The manufacturer looks
like "??? Croft & Sons" but does not give
a country of manufacturer.
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Does anyone know more about "Croft & Sons"?

Both seem to be in tolerable shape and should
sharpen up just fine.. Little or no spine
wear and the rust and pitting should succumb to
wet dry paper and a brass brushing followed by
light polishing. Both have what appear to be original scales.
The Croft's scales are a bit worse for the wear
but are well aligned and very functional.