Touts are flogging Leipzig versus Rangers Europa semi-final tickets to desperate Scots fans for six times their face value.
The match briefs - which are around £60 face value - are on some secondary ticketing sites for £350 each.
One cheeky website is offering fans of the Light Blues the chance to snap up the tickets for £420.
Yesterday we revealed scores of Rangers fans have snapped up tickets for the HOME end at the Red Bull arena in Germany.
Thousands of Gers fans are expected to make the journey for Thursday's match despite the official ticket allocation only being around 2,200.
Unscrupulous touts are cashing in on fans' desperation to see their team in action by offering scores of tickets at hugely inflated prices.
Unofficial sites such as LiveFootball Tickets said they have nine tickets available from £350 each while Seatpick is claiming to have tickets from £161 to an eyewatering £631.
Safeticketcompare is offering the briefs for £420.
One Rangers fan who tried to get a ticket said: "I'm not paying over £630 for a ticket I could have got for £60.
"There was also some sites selling them for a few euro.
"I am not lining the pockets of touts.
"I'll watch the game on television, it won't be the same but I think it's outrageous these touts get away with trying to take the hard earned cash of fans desperate to see their favourite team play.
"It's about time the authorities stamped down on the touts and their websites."
We reported yesterday that Rangers fans piled onto RB Leipzig's website when tickets went on public sale this week.
A leading football safety expert yesterday urged bosses to relocate the supporters in a separate section of the Red Bull Arena.
Peter Houghton, Director of Operations at England's Football Safety Officers Association, said RB Leipzig must honour the tickets.
He said the Bundesliga club should learn lessons from English clubs and allow Gers fans safe passage into the match.
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