
https://en.numista.com/catalogue/pieces37168.html
https://en.numista.com/catalogue/pieces37489.html
Something is wrong in the descriptions of these two coins
km51: 50 Pence - Elizabeth II (Day of Tynwald) 1979
km53: 50 Pence - Elizabeth II (Odin's Raven) 1979 (taken from SCWC!)
I would vote for the km51 description, since it's what is written on the coins!
Ole