Genus species: Corethron criophilum

Series: Marine Life (British Antarctic Territory 1984)
Catalog codes:
- Michel: GB-AT 108
- Stamp Number: GB-AT 102
- Yvert et Tellier: GB-AT 128
- Stanley Gibbons: GB-AT 123
Emmission: Definitive
Perforation: 14
Printing: Offset lithography
Size: 38 x 26mm
Colors: Multicolor
Face value: 1p - British penny

Reference: colnect.com
Shop now link: ebay.com (note: market availability)