Also chances of getting caught is less because it's USED by applying rubber stamp, keeping in soil or exposing to sun and make it toned.!!
I think so, but you have to make decision.
Click one of the following link to make your decision and you decide what you see is genuine or forgery.
1) Philatelic FAKE and FORGERIES.
2) FAKE AERO PHILATELY Covers.
3) Stamp collection CHEATING.
4) Stamp Collection Value
5) Stamp Collecting Facts
6) China stamp collection value.
7) First AirMail Post
8) World First Flight Cover
9) Greatest Stamp Collection Scandal
10) Biggest stamp collection SCAM
11) SCANDAL in stamp collection
12) How to increase stamp collection value
Now does it make sense to collect stamps after looking above blog posts?
Gandhi Stamps Club