COLLECTIBLE
collectible, collectable, payable
(adjective) subject to or requiring payment especially as specified; “a collectible bill”; “a note payable on demand”; “a check payable to John Doe”
collectible, collectable
(noun) things considered to be worth collecting (not necessarily valuable or antique)
Source: WordNet® 3.1
Etymology
Adjective
collectible (comparative more collectible, superlative most collectible)
Worthy or suitable for collecting on historical/financial grounds, or for meeting a personal aesthetic.
Rightfully subject to payment.
That is likely to be paid.
Noun
collectible (plural collectibles)
An object which someone might want to collect.
Source: Wiktionary
Col*lect"i*ble, a.
Definition: Capable of being collected.
Source: Webster’s Unabridged Dictionary 1913 Edition