Pickled eggs are hard boiled eggs which have been preserved by pickling.

Preparation

After the eggs are hard boiled the shell is removed and they are submerged in a solution of vinegar, salt, spices, and other seasonings. Recipes vary from the traditional brine solution used for pickles and other solutions which can impart a sweet or spicy taste. The final taste is largely determined by the pickling solution. The eggs are left in this solution for anywhere from one day to several months. Prolonged exposure to the pickling solution may result in the eggs developing a rubbery texture. Care should be taken to prepare the eggs properly. As with all home pickling recipes, proper procedures should be followed to avoid food poisoning.

One variant popular in Pennsylvania Dutch country, known as pickled beet eggs or red beet eggs, includes whole beets in the pickling solution to impart a pink or red color to the eggs.

From Wikipedia under the GNU Free Documentation License
Fri Dec 25 20:39:19 2009

Looking to get a tried and true Pickled Egg Recipe?
Q. One that you have used yourself and works everytime.
Asked by M D - Wed Jan 2 15:43:33 2008 - - 4 Answers - 0 Comments

A. See page 6 of "America's Best Lost Recipes" for an Amish pickled beet and egg recipe. Cook's Country recipes are tested so extensively that everything of theirs turns out very well. And you know I'll eat the pickled beets for you. :) Love, Your wife
Answered by Sturm und Drang - Wed Jan 2 16:44:05 2008

How long can pickled eggs last outside of a refrigerator?
Q. I want to send some pickled eggs (not canned) to my son for Easter. He lives 3000 miles away. Will the piclked eggs go bad in 5 days at 60 degrees or so?
Asked by bittsen2000 - Mon Mar 17 01:01:58 2008 - - 3 Answers - 0 Comments

A. the vinegar should keep them okay.. I would think... Especially if they've been sitting for a couple weeks prior in the fridge.. I'd want to make sure they were good and pickled.
Answered by angel_of_vomit - Mon Mar 17 01:10:30 2008

Can I use apple cider vinegar for pickled eggs?
Q. I need to know if I can use apple cider vinegar for pickled eggs or do I have to use plain white vinegar.
Asked by Ash - Sun May 24 20:20:11 2009 - - 3 Answers - 0 Comments

A. apple cider will be fine.
Answered by Sugar Pie - Sun May 24 21:10:39 2009

From Yahoo Answer Search: "pickled egg"
Fri Feb 12 04:35:41 2010