Found the paperwork I did originally, here it is and any assist would be welcome.
Edward IV or Edward V weight 4grammes/61.7 grains
Mm cross patte or pieced cross, opened crown, trefoil below bust (or quatrefoil)
Pellet opposite left neck
"Realistic" hair, with forelock
Tressure of 9 arches with lis or fleurs on cusps
Saltire seperators on legend.
Reverse Curved "N", london Civitas
Rose seperator one place in legend before "T" (or possibly a cinquefoil or similar)
Mm EDWARDxGRAxREXxANGL ET FRANC
"Edward by the grace of God King of England & France"
Like I said, it fired up my imagination.
Birkenhead........ God's own Room 101.