This figure suggests to hold two spears and  its head is surmounted by two birds' heads. Refers to Woden (Wodan,Odin)


Finglesham buckle
picture from:
"The Making of England  -  Anglo-Saxon Art and Culture  AD 600-900"
edited by Leslie Webster and Janet Backhouse
1991  The Trustees of the British Museum and the British Library Board by British Museum Press
 


picture from http://www.ormsgard.org/
 


picture from Portable Antiquities Scheme (PAS), find-ID: HAMP2432