(noun) - a group of things or objects of a particular type that have been collected by one person
collection
(noun) - an item produced in small numbers
limited edition
(noun) - a large amount of something that has been kept or stored to use later or in the future
stockpile
(noun) - something you buy or keep to remind yourself about a particular place, event, etc.
souvenir
(noun) - something made in an earlier period and is very valuable because of its age
antique
(adjective) - produced in the past, and typical of the period in which it was created
vintage
(noun) - importance to someone because of a connection with a happy time of life, or a special person
sentimental value
(verb) - to take great care of something because you love it or value it highly
treasure
