Here a (rather bad) drawing of the real one.

And this tekst I found in one of my books (OCR applied)
The rarity of the various types can be scarcely more
fairly stated than by giving the humbers of each contained
in the Brit. Mus. (234) 19.
The legend of the reverse always consists of the name of
the moneyer with ON, or very rarely OF, and the name of
the place of mintage; the Saxon p is used for W, and the
dipthong AE is most frequently expressed by IE; for A or
V we have two II not always inclining towards each other
and sometimes in a wrong direction. I or II at the end of
the king's name do not indicate numerals but probably more
or less of the letter A for Angliae.
The coins of these reigns must have been struck in a
collar, for they are uniformly round, of the same size, and a
pile of them is as perfectly cylindrical as one composed of
coins of the present day.(copied from the book : "THE SILVER COINS OF ENGLAND ARRANGED AND DESCRIBED WITH REMARKS ON BRITISH MONEY PREVIOUS TO THE SAXON DYNASTIES.
BY EDWARD HAWKINS F. R. S. F. A. S. &c. KEEPER OF ANTIQUITIES IN BRITISH MUSBUM.")