1998 - Imperforate Stamp on Cover India Government Service Envelope

Type : India Government Service - Postal History ( Stationery )- Stamp on Cover- Philately

Imperforate postal stamps were in use in the beginning of postal stamp usage in the 19 th century
In this envelope " On India Government Service " Imperforate Service Postal Stamp is on the Cover ( envelope ) - 1998

Interestingly ( unlike the 19 th century imperforate stamps this imperforate stamp has PERFORATION MARKS  ( teeth ) ON ITS 4 Sides )