Italian-French co-production “Heads or Tails?” (“Testa o Croce?”) claimed Eurimages Co-Production Development Award at Rotterdam’s CineMart on Tuesday. Directed by Alessio Rigo de Righi and Matteo Zoppis, and set in the 1890s, it seduced jurors Ilse Ronteltap, Mira Staleva and Konstantina Stavrianou with its retro-flavored story of lovers on the…