To correct my earlier post, it would indeed appear that the Soprafino Tarot by Il Meneghello is not the only reproduction of this tarot deck. Of course the Lo Scarabeo The Classic Tarot is another facsimile.
The decks do look identical bar the colours on the LoS deck which seem brighter - with the exception of the IIII card (Emperor). The LoS version is coloured completely differently and so it would presumably suggest that it was a facsimile of a different printing batch of the deck. That might also explain the differences in colour of the cards, as I find it hard to believe that LoS could/would doctor the colours to such a degree. The stains on the LoS deck are in different places to that of the Il Meneghello deck so at the very least they were scanned from different decks of the same batch.
I have read that the staining on the Il Meneghello deck was introduced in various places to give it an antique appearance, here on Aeclectic I believe, although I suspect that this in hindsight is probably misinformation and that the deck that Il Meneghello used for the facsimile was probably stained just like this, i.e. an exact facsimile. I know the card stock that IM use is sometimes pre-stained or they introduced a vintage feel into some of the decks e.g. 1987 - Classico Tarocco di Marsiglia - but not sure if this applies to the Soprafino or not.
The funny thing is that putting some of the cards side by side, in places it looks like the orange/brown staining along the borders has been introduced whilst on the sheet before cutting as the stains match up on many cards from the left of one card to the right of the other. This isn't the case for the cards you'd expect to be on every 'row' of a sheet, but still, it is intriguing. It could of course be just staining in similar places on each card to the deck when stacked and exposed to the elements, but it isn't consistent all the way through the deck. If the cards were jumbled consistently over time or even always stored in exact sequence, we would expect a slightly different pattern of staining that is in the order of the cards we see today. If it was done deliberately, which is presumably unlikely, then it could of course have been done in the 19th century but I'd very much doubt Dellarocca's printing shop would have released such a thing! I emailed Il Meneghello to ask them if they did any 'sexing' up of the card fronts.