But main reason for such a decline is FORGERY selling as Genuine which is killing hobby.
Also price are increased by SHILL bidding in order to glorify stamps as well to increase value, which eventually brought down this King of Hobby.
It's like dealers and collectors want to ripoff new collectors instead of motivating new collectors and some experience and genuine collectors just sit and watch Philatelic GAME.!! instead of exposing what's going.!!
What to learn how to play Philatelic GAME then click following link to read my blog post.
1) Philatelic GAME.!!
2) Philatelic Greed !!
3) Stamp Collecting FACTS.
Also following are different ways to make money by selling stamps on Internet. (Of course is CHEATING!!)
1) Make money by selling SPECIMEN postcard
2) Make money by making RUBBER stamp
3) Make money by selling TRIAL PROOF waste by stealing it or by art using Photoshop.
4) Make money by selling FORGERY stamps
5) Make money by selling FORGED special cancellation from different cities.
6) Make money by selling FORGERY stamps as GENUINE.
7) Make money by selling BOGUS - never exist special cancellation
8) Make money by selling LABELS - forgery or bogus
9) Make money by selling FAKE or BOGUS First Flight Cover FFC
10 ) Make money by OVERPRINTING stamps.!!