If the binder is mostly staying inside, or not holding very valuable cards, you probably wont have much need for a zipper, but if the binder will be frequently bouncing around a backpack, or holds more valuable pieces of your collection, a zipper may be in order.
When the noise fades and only the icons remain, the difference becomes clear
Sothebys is an auction house but can also help with advisory, private sales, and evaluation
The Sample Pikachu e-Card uses the same artwork and card structure as Expedition s Pikachu #124/165, with the only differences being the number (#016/092), the copyright changing from just Pokmon to Pokmon / Nintendo and the inclusion of a large bolded Sample text in place of Expedition s set symbol
Cards of famous players - Popular players have a bigger audience because they're in the news and kick up more of a fuss in the game, so naturally there's a greater demand to have a card from their career