• seashells, plucked from the shore
• maps of places that you have visited
• dreams, jotted down every morning
• currency from various countries
• bookmarks
• fountain pens
• hand-written letters that you have received
• crystals with magical properties
• leather journals
• tickets from various forms of transportation or events
• jewelry, such as bracelets, necklaces or rings
• photographs of things that you would like to remember
• your favorite lines of poetry, written in a notebook
• candles
• books that have particular meaning to you
• antiques
• postcards

(from: https://woodlandcomforts.tumblr.com/post/177087560713/plathisms-charming-things-to-collect)