Question juridique clé
Whether the federal appeal against the cantonal seizure order was admissible despite its incidental nature.
Solution extraite
The appeal was admissible in principle because criminal seizure decisions are incidental decisions that can cause irreparable legal harm.
Motifs extraits
A seizure temporarily deprives the holder of the free disposal of the items; such deprivation usually constitutes irreparable harm under Art. 93 LTF.