partially correct.
Ivory, no. Antique, yes!
You say you are new to collecting. Well let me Welcome you aboard this this very exciting and entertaining hobby! It is good that you have found your way to this web-site, which is filled with a wealth of knowledge and reference material. You are encouraged to visit, explore and most certainly consider membership with the Club!
As a practical matter, you will also find a fountain of knowledge and expertise from other collectors (hundreds of them) from around the World over on www.TheChipBoard.com .
Please enjoy the hobby!
Jim