Why just used stamp on piece of paper instead complete cover.? Do you think original collector of this SERVICE stamp don't know what was the value of this stamp with cancellation.!!!
Following partial screenshot is from one of the most reputed and respected website from India and hosted since more than 10+ years www.stampsofindia.com which mentioned that.
(This is not authorized source from Government of India, but someone like me wrote it so cannot believe it)
"USED ON COVERS ARE UNOBTAINABLE"
"FORGERIES OF ANNA VALUES ARE FOUND IN PLENTY."
"A VERY FEW ARE KNOWN CANCELLED BY PRESIDENT CAMP P.O."
To read complete article about 1948 Gandhi Stamp from India please click following link
Through research and in-depth analysis is required before you jump into GANDHI SERVICE stamp (Mint or USED on paper) otherwise you will be holding some REPLICA.!!
It's very hard to tell whether overprint Gandhi SERVICE stamp is Genuine and it's difficult to find USED 1948 GANDHI overprint SERVICE stamp on piece of paper.!!
I don't have any SERVICE stamp and don't intend to add this in my collection!!
Also I don't add any 1948 Gandhi philatelic material in my collection because lot of research is required and you need to be in this collection for more than 10 or more years before you understand completely.
Nepal Indian Embassy Cancellation on 1948 Gandhi Stamps
Early usage of 1948 Gandhi stamps
FAKE 1948 Gandhi stamp FDC from India.
Gandhi SERVICE stamp is it REAL or FAKE?