I shared the same link on this question but it's also applicable here.
Tibia Decorations has a great collection of items for Valentine's Day as well as examples of how they are used in decorations- https://tibiadecorations.com/valentines-day-decorations/
Tibia Home also has a section of romantic themed decor on their site here- https://tibiahome.com/inspiracoes-romantico/
There are way too many items to list out individually, but some of my personal favorite non-quest items are:
Light of change
Red Gingerbread Heart
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