Rather than letting the rocks and shells you so carefully collect on vacation get lost in a drawer among paper clips and thumbtacks, put the found objects in jars. A small vessel requires only a few items to fill it. Once you label the jars with the place and date and line them up on a shelf, you'll have a time capsule display of trips past.
Commercial straight-sided jars, 8 oz., $3 each, containerstore.com. Permanent file-folder labels, by Martha Stewart Home Office With Avery, 9/16" by 31/2", $3 for 120, staples.com.

Appreciate your favorite finds from vacation (shells, tickets, beads, rocks, coral, sand) by displaying them in sweet and charming glass jars.
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Martha, please do not encourage shell collection/removal. Removing shells from beaches is not an eco-friendly hobby. Shells are used as homes for other creatures when abandoned, and eroded shells return nutrients to the environment. Removing shells from US National Parks (St John, US Virgin Islands for example) and from ANY beach in the US Virgin Islands is prohibited.
Rather than remove shells, seaglass makes great souvenirs and is a versatile craft medium.
Thanks!
I found some adorable clear sided paint cans at Michael's that my grandchildren and I used to make memory canisters of our recent vacation to Myrtle Beach. I wrote "Myrtle Beach 2012" on the outside with a paint marker, then we added sand and the sea shells they collected at the beach. They look cute on their book shelves now, but we plan to use them as Christmas ornaments come December.
I do this in a large tall vase. Fill bottom with sand. Layer shells, beach glass, beach tags, etc. and place on a tray. A great reminder of a great vacation.
Also, if the jar/container is large enough... add a postcard or photo of the destination.