The soles are fine !! Just a little bit ridiculously dyed!! The leather looks like Hippo but considering the brand i doubt it is hippo leather!! It is more like embossed calf skin (judging from the kind of creasing)
It's definitely the fudge wheel or a similar tool! It stops where the same marks /design stop at the welt ! You can use a conditioner alone or with a spoon and "spoon " the area down ( don't apply the conditioner only at the spot or you are going to end with a spot stain ) ! If I were you I would let the bee ! Nothing major to worry about !
You can resole them for sure( real leather-dainite soles etc is up to you) ! Judging from your name you are Greek but i cant figure out where do you live! If you live in greece i can recommend you 2-3 good shoemakers- cobblers that can do the swap!
Very nice outcome!! One little suggestion , you can use a toothpick to clean the brogueing from the wax!i dont see any problem cause you just have stripped off all the preexisting polish one the toe!! Let them sit for a day to fully dry and then polish without using any water (preferably with wax) and you ll be good to go ;) (generally Reno mat need to stay 5-6 minutes max , it is better 2 sessions than one too prolonged)
You have to see if it is alcohol based or the primary solvent in it!! https://www.shoecaresupplies.com/Shoe_Dye_p/angelus-leather-dye.htm If you have used this one (and not the acrylic one) alcohol ll do the trick for you and you ll be able to clean the soles ! (try not to spill any drop of alcohol on the leather or it ll create spot stains!! I hope i helped you a little!
The pair you have posted , its leather is finished after the pair was made (spray finish and the leather wasnt dyed in that color in the first place)!! Its really easy to fix this !! 1: Use 3-4 layers of paste polish to cover it up (Saphir or Cololonil dark brown 1909 polish(higher pigment concentration))2: Use a dye preferably alcohol based 3: Dark brown spray leather paint (too messy and i dont recommend it) Collonil colour stop or other similar product ll do the...