Seems that the [Heartbreak Charm], [Winking Eye of Love], [Sweet Perfume Broach], [Choker of the Pure Heart] & [Shard of Pirouetting Happiness] from the seasonal bosses (Apothecary Hummel) currently can be disenchanted!
Players can que with an enchanter and do it over and over for [Sha Crystal] chances!
This will definitely crash the market till V-Day is over or they hotfix these so they cannot be disenchanted.