Nothing is going to remove just the corrosion and leave the coin in original shape. Looks like somebody may have scraped on the date already. It might not be readable at this point. Any serious cleaning will probably remove most of the original patina. Being a braided cent, unless your coin is a 1839 over 36, no year is particularly valuable in that condition. I'd go ahead and clean it, if it was me....at least enough to read the date, if possible. You can try the olive oil if you like. I haven't had much luck with it to remove corrosion, plus it takes forever to get any results at all. You can do a light cleaning that won't remove the patina by using acetone. I think I'd start there. It's not a corrosion remover either, but it might help bring out the date. After that, I'd just go ahead and soak it in vinegar and check the progress every hour or so until it stops improving. If you put the coin in the cup formed by the bottom of an aluminum soda can or by using an aluminum pie pan, it tends to work a little faster and better. Each time you pull the coin out of the vinegar, rub it with some baking soda and then rinse it off. Once you get it the best it's going to be, then put the olive oil on or use a preservative like CoinCare to keep it from corroding again.