As the sales for memorabilia rise, there is also a rise in questioning around the authenticity of these sales.On Sunday, October 12th, Luka Doncic's rookie card was sold for a record-breaking price in a private sale. According to Bolillo Lajan San, the raw grade "Luka Doncic Flawless Rookie Logoman Auto 1/1" was sold for an eye-watering $4.7 million. The most any Luka card has sold for. View this post on Instagram Instagram PostShortly after the news of the sale spread on X.com, questions around its transparency started to circulate on the internet.Business analyst, Darren Rovell, raised questions about the transparency around the sale of the card. He alluded to a massive $2 million increase in the price.In his tweet, he extrapolated:"Question: So I believe the last known owner of this card was Shyne, who is one of three principals of Secure.""Did Secure sell it to themselves for $4M+? The last known offer on this card was in the $2M range.""Can we get some attempt at transparency? Team Secure, I'm here to chat."Rovell later clarified that Shyne wasn't the known owner of the card.However, this was not the first time the Lakers star's name was in the news. In 2021, Luka Doncic's 2018 Panini National Treasures 1 of 1 Logoman Autograph card was sold for $4.6 million. In November 2022, his 2018-19 National Treasures RPA Logoman card set a new record after being sold for $3.12 million. It was the highest ever paid card at a public auction.The question of authenticity behind the news is alarming. Yet, no one has come out and responded.NBA fans lineup doubts questioning authenticity of Luka Doncic card record saleDarren Rovell's question attracted more doubts from NBA fans about the transparency of the card sales. "The questions everyone should be asking, instead everyone's rushing to post another record breaker," a fan wrote.Basketball Card Insider @BBCardInsiderLINK@darrenrovell The questions everyone should be asking, instead everyone’s rushing to post another “record breaker”One of the fans took a shot at the buyer. "Once you see that Shyne is involved that should answer your question."Diffley @thatkid_diffLINK@darrenrovell Once you see that Shyne is involved that should answer your questionA fan said that Shyne was attracting legal troubles with what went behind in private sales. "They're buying cards for wild prices, and then immediately bumping up the value of the card 20%+ when they put it up for fractional ownership, it's literally hilarious. It's like they're begging for legal trouble."Kai Patricelli @Kai_PatricelliLINK@darrenrovell They’re buying cards for wild prices, and then immediately bumping up the value of the card 20%+ when they put it up for fractional ownership it’s literally hilarious. It’s like they’re begging for legal troubleMeanwhile, for a fan, it was just clever marketing."Fanatics marketing. Plain and simple."Mike Marino @blulinr11LINK@darrenrovell Fanatics marketing. Plain and simple.One of the fans highlighted the new trend in the card sales industry."This goes on a lot. Happening across cards right now."Schmidt Bon @SchmidtBon321LINK@darrenrovell This goes on a lot. Happening across cards right nowMeanwhile, one of the fans doubted the transparency question altogether."Good chance. Shell game. Not sure they owe transparency to the public just yet."Chris in OK @ChrisIn0KLINK@darrenrovell Good chance. Shell game. Not sure they owe transparency to the public just yet.Luka Doncic's rookie card was originally purchased on Sept. 26 last month.