India 1931 (Feb 9) Inauguration of New Delhi complete set on cover, tied by “NEW DELHI/MAIL/9 FEB. 31” inscribed “{Defaced on 9.2.1931 – The date of issue of these commemorative stamps/ H.N. Kapur}”. SG 226/231
It is to be noted that the date of issue of these stamps were Feb 6 though.

Catalogue No: SG 226/231
Catalogue Value: -
Type: Cover