If you read my article on Rarity VS Condition, I gave a few websites for your information and reference. I want to expand that list a bit for you. I will categorize the list for easy reference.
Coin Prices Online:
PCGS - Professional Coin Grading Service
NumisMedia Online - Numismatic Guarantee Corporation
Heritage Auction Galleries - Membership [...]

Ever wonder how those beautiful Proof coins are made to be so bright and reflective?  Here is a quick 5 minute video on the coining process for proofs.

http://www.youtube.com/watch?v=DkHFNnOK3Bg

While trying to decide on what to post about on Numismatic Monday I thought, “Why not post about my two favorite pastimes in one article?”
After congratulating myself on such an excellent idea I was left with the dilemma of what exactly to write about. I did not do any shooting this weekend (I went [...]

From www.pcgs.com
(Newport Beach, California) — Professional Coin Grading Service of Newport Beach, California (www.PCGS.com) is offering a $10,000 reward for the first person who submits for verification a genuine, Sacagawea golden dollar coin mistakenly struck with the edge lettering intended for the new Presidential dollar coins.
The coins depicting Native American, Sacagawea, who assisted Lewis and [...]

The newly authorized $1,000,000 Canadian Gold Coin.
No, really.
The “mega-loonie” as it is being dubbed, has been voted on and passed by the Federal Cabinet and orders the Mint to produce the $1,000,000 gold coin.
The Royal Mint will only comment that it has permission to mint the coins. No word was given on how many [...]