Obv A

* Large head        

* Very short teeth design in a wavy pattern around margin

Obv B

* Medium head                              

* Long teeth design

* Large thick lettering in legend

* 'I' in KING not aligned to the short line in between two teeth above

* Second 'E' in EMPEROR normal

Obv B(a) 

* Medium head                

* Similar to Obv B but with smaller thin lettering in legend

* Second 'E' in EMPEROR small

Obv C

* Medium head                                                           

* Shorter teeth design than Obv B or Obv B(a)

* Small thin lettering in legend as in Obv B(a)  but,

* 'I' in KING aligned to the short line in between two teeth above

* Large 'E' in EMPEROR, Thin rim

Obv D

* Medium head                                                                 

* Short teeth design as Obv C but,

* Thick large thick lettering in legend

* 'I' in KING not aligned to the short line in between two teeth above

* Broad rim

Rev I        

The scalloped circles are formed of short arcs, mostly unconnected with one another, and the 'bead' in the center is not attached to the nearest circle.

Rev I(a)    

Similar to Rev I, but the inner circle has a Wavy beaded feature.

Rev II       

The circles are connected with one another, and the 'Central bead' is attached to the nearest circle.