Fresh Flower Soap and Fresh Flower Brew obviously couldn't be considered the main gifts, as it would greatly diminish Liszt's stature, who was now the Viscount of Black Horse Island, a mid-tier noble.
Moreover, the person getting married was his own cousin with whom he had a good relationship.
Specialties, food, resources, these three things fundamentally make up the gifts exchanged between nobles in this era.
"Aside from gourmet food, the specialties of Fresh Flower Town include Fresh Flower Soap and Fresh Flower Brew, and I'll definitely choose a good amount of these three. As for resources, I can gift a few small Black Pearls, and pick some Jade, Crystal, and Mithril respectively. The total value of the gifts should properly convey my sentiments."
Interactions among nobles, especially big nobles, tend to be quite generous.