Well now, that's a question with a bit of a trick up its sleeve, much like the coin itself. The value of an uncirculated 1971 Eisenhower dollar depends entirely on which one you have, because they came in two very different flavors: plain old circulation-style and the fancy collector's edition. And for what it's worth, the provided search context was about as useful as a chocolate teapot, showing website headers but no actual data.
First, let's talk about the common variety. The 1971 Eisenhower dollars made in Philadelphia (no mint mark) and Denver (a 'D' mint mark) are made of a copper-nickel blend. They contain absolutely no silver. While they look impressive, an uncirculated one is worth only a few dollars over its face value. They made a ton of them, so they're not exactly rare birds.
The coin you're likely thinking of is the 40% silver version, which was struck at the San Francisco Mint and carries a proud little 'S' mint mark. These were never meant for your pocket; they were made specifically for collectors. An uncirculated 1971-S, often found in its original blue government packaging (affectionately called a "Blue Ike"), is the one with the silver lining. Its value is tied to the spot price of silver plus a small collector premium. Generally, you can expect it to be worth somewhere in the $10 to $15 range, though this can fluctuate.
So, the big secret is to check for that 'S' mint mark. If it's there, you have a silver coin worth a decent lunch. If it's not, you have a very handsome, oversized dollar coin that's worth, well, a dollar and a little change.
