The main exceptions are huge green idiots like Terrian, World Tyrant and Agonasaur Rex
Fake cards As inevitably happens with things that are as popular and valuable as Pokemon cards
The first wave of promo cards can be identified by their set number P1 and a unique logo in place of their rarity icon, indicating which event the promo card was available at
Generally speaking, the more valuable a lot is, the smaller your pool of bidding competitors will be (unless, of course, its a super sought-after chase card)
With time constantly adding to the difficulty of finding older cards (especially in good condition), it's likely that this card will continue to become rarer.
Near Mint Pikachu cards typically command premium prices, while PSA 10 graded copies can sell for multiples of their raw card value