India, Oct. 22 -- The resale prices for the Labubu doll, a collectible plush toy part of Pop Mart's 'The Monsters' series, has apparently seen a worldwide drop in popularity since it attained its peak during summer.

The doll had earlier accounted for more than a third of the first-half revenue for Pop Mart, with Labubu sales soaring after several celebrities were seen with it, Reuters reported. These included K-pop group Blackpink member Lisa, singer Rihanna and former soccer player David Beckham.

However, many resale sellers who had ridden the wave of Labubu's success are saying that the days of making money through the doll are past.

"Prices in the Thai resale market are going down really, really, really fast," Kasidit Teerawiboosin,...