Phadria Prendergast talks to Dina Ibrahimova and Hanushka Toni, the mother and daughter duo who created Sellier Knightsbridge, one of the leading pre-loved platforms for luxury pieces and the most reputable reseller of authentic super brands in the UK. Their roster of mostly one-off pieces include an array of luxury houses such as Chanel, Alaïa and Hermès.