Football clubs generally take around a seven per cent cut on shirt sales but Rangers will earn more than the going rate for Castore’s latest release.

That is according to finance expert and Football Insider columnist Kieran Maguire, speaking exclusively after Rangers sent champagne corks flying with a first Scottish Premiership triumph in a decade.

To celebrate the historic achievement, the club’s kit manufacturer Castore released a new limited edition commemorative home shirt.

Rangers signed a £25million deal with Liverpool-based Castore in the summer and after some initial quality control problems, the deal appears to be going well.

Maguire forecasts that the limited edition shirt will be a hit and that Rangers stand to earn more than they would with a standard kit release.

He told Football Insider correspondent Adam Williams: “On a standard deal, clubs are usually on seven per cent. So what happens is you agree a fee for manufacturing your kit and then agree on a percentage on top of that fixed amount.

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“I imagine that for this particular kit, Rangers will be demanding a higher percentage, and rightly so. I’d also anticipate that people will be fighting over getting them.

“This is something that Rangers fans have waited a long time for. It’s not cheap but as a memento, I can only imagine that fans will be very keen to get their hands on them.

“Castore made some mistakes nine months ago but I think they’ve learned from them.”

The club will release 10,000 of the commemorative shirts, which are available for pre-order now.

Castore will be hoping that Rangers will continue to be a mobile billboard as the club marches on in the knockout rounds of the Europa League this season.

In other news, it can be revealed how a £400m deal can rocket Rangers’ revenues past Celtic next season.