"JAMAICA RAILWAY" On Top, No Separators
Known Used Between March 1902 and 1904

"JAMAICA GOV'T RAILWAY" On Top, Maltese Cross Separators
Known Used Between October 1915 and December 1924

Second class railway ticket from Porus to Kingston dated June 8, 1954 showing this datestamp to still be in use in 1954 and showing its primary purpose.