A miracle kabuto shows the mutation of flecking but you do not know when it starts the mutation.
A super kabuto is similar to but it shows the mutation relatively early age.
I keep quite many miracle kabuto seedlings and select ones showing the mutation in spring.
I selected 6 plants yesterday, which were sown seeds in 2006 . The photo is one of them, 8 cm diameter.
I have washed the body by liquid baby soap and been drying before the repotting.