I have a pair of the original Zodiac Bench seats - these are wooden benches with the cast alloy legs than slide into the floor side rails. (I have the floor rails too if required)
Part number Z1255 - Complete with all original fittings with no damage and nothing seized. Removed from a mid 2000’s Futura but fit other Zodiacs / Bombards (see link below)
£50 each or £80 the pair. - retail at £231+VAT each!!
Link below to new ones from Zodiac - mine are in red not grey, but nothing a bit of paint can’t change!