Plates in my collection:
EL = issued during 1953-1954
UK style plate used in the Ceylon period
Private auto / Plastic plate
The "7" prefix was issued in 1976
CP = Central Police
NC = North Central Province / Plastic
Plastic / I acquired this plate as from Sri Lanka, however the type is unknown to me.
30 = used for busses
I purchased this plate as being a government one, but I could not get this verified.