12th World Mining Congress, New Delhi 1 ₹ — India, 1984
12th World Mining Congress, New Delhi (India, 1984), face value 1 ₹. Photo, catalogue value, details and photo identification.
- Issue date
- 1984
- Face value
- 1 ₹
- Colors
- Multicolor
- Yvert
- IN 822
- Michel
- IN 1006
- Stanley Gibbons
- IN 1139
- Scott
- IN 1071