Hi István
Sorry for the late reply and thank you for answering the enquiry. I have DM you via Skype by the way. Actually, last week we have sent a reconsideration after removing all schema, which makes sense when you think about it, but it got rejected after two days. We actually wanted for the schema to show zero after removing the schema before sending the reconsideration.
They were using both Microdata and Json+LD on the same and as you can see below it was commented out.
Before removing all schemas, their schema codes have been commented out and I do agree there was hidden code, but it was removed.
This is the Schema on the homepage:
Example for product page
Thank you!