I have one of those, along with several other U.S. Philippines coins. An interesting series, given the historical significance. Bad pic of one my Pesos:
I haven't tried numista for a resource yet...but I will check it out. I find that I get alot of information from the NGC World Coin Price Guide. Enter you coin info in the top right corner of the page and you will get everything you want to know about your coin. Here is link for quick reference: http://www.ngccoin.com/price-guide/world/
I'd agree NGC is probably the go-to site for world coin info, but sometimes is missing pics and size and weight specs for older and/or more obscure coins. Numista typically has those.