To get the most accurate value you could search EBay for sold coins similar to yours.
...except that won't work for this particular coin, because of eBay's blanket ban on the sale of Cuban coins. Searching for completed sales of "Cuba 2 centavos 1915" on eBay will always return zero hits, because eBay's bots auto-block any listing using the word "Cuba" in the item title or description.
High-grade and high-value coins you could maybe use an auction searcher like CoinArchives, but for a low-value coin like this one, the catalogue reference posted by Seeker55 above is probably the best you can hope for.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis