LOL @ snowflake! Aww, don't worry snowflake, we're all learners & the more you visit this forum definitely the better you will get! This is a really charming piece. I'd try the keywords coffee urn, hot water urn, cow, chocolate pot, footed, three legs, three-legged, including things like handle, spigot, etc. The front "tap" on the front is called a spigot, commonly misspelled as a spicket.
Here's a little French one circa 1950s:
http://www.ioffer.com/i/great-vintage-french-pewter-2-handled-coffee-urn-cow-207156112Your item is really cute, if I were you I would take it to a local antique shop and see if they can put an approximate date and at least country of origin to it, which should assist you with the pricing. Unless someone here can tell you. Good luck!