Please read following series of my blog post to understand what is going on stamp collecting world specially in Indian Philatelic materials and you will think it's all BOGUS.!! Yes it's all BOGUS.!!
2) 1948 Gandhi Stamps: Are False hope of Riches - Part II ?
3) 1948 Gandhi Mourning Private FDC : Are False hope of Riches - Part III?
4) 1948 Expensive Gandhi FDC : Are False hope of Riches - Part IV?
5) 1948 Gandhi Stamps Early Usage cover : Gandhi Stamps Are False hope of Riches - Part V?
6) Maxi Card sold for $5100 with 1948 Gandhi Stamps - False hope of Riches - Part VI?
7) Indian Philately Exposed
8) Indian Philately Exposed - Part II
9) First Aerial Post - Indian Philately Exposed - Part III
10) 1911 First Aerial Post - Allahabad - Indian Philately Exposed - Part IV
Is it Genuine ?
Is it FAKE or BOGUS?
Is it STOLEN?
My guess is 2nd options.!! So to me this is not worth collecting or investing in it.!!
But it's up to you to decide whether this kind of material is for you or not, as you have to pay.!!
Gandhi Stamps Club.