slug = models.SlugField(max_length=255, unique=True)
category = models.ForeignKey(CollectionCategory, models.SET_NULL, null=True, blank=True, verbose_name=_("category"))
notes = models.TextField(_("notes"), blank=True)
slug = models.SlugField(max_length=255, unique=True)
category = models.ForeignKey(CollectionCategory, models.SET_NULL, null=True, blank=True, verbose_name=_("category"))
notes = models.TextField(_("notes"), blank=True)