Clear readble Postmarks of Travancore, are few and far between,
I get around 1 good Pmk per 25 stamps.
Travancore Postmarks
REGISTRATION Pmks
In Travancore , Registration of letters, was for the first time introduced in 1041 M.E. (Malabar Era) (1865-1866)
The reg. Fee at that time was 7 Chuckrams
(57/14 of a Brit. Indian Rupee..whatever that means

)
T.A.D. = Travancore Anchal (Unchel) Department. = Travancore Post Department.
REG.= Registration
3 CHI / 91 = 19th August 1915 (CHINGAM)

From my collection
30 KAR / 95 = 16th August 1919 (KARKATAKAM)

Any corrections welcomed.