K.R.B. Lea & Co.
Here are full texts from the labels
jm1: Lea's Olde Jamaica White Rum; Product of Jamaica; Produced from Jamaica Sugar Cane; 63% alc by vol; Bottled in Jamaica under the excise duty law; Produced by K.R.B. Lea & Co.; Gen. Mfg. & Exporters Ltd., 69-75 Constant Spring Rd., Kgn 10, Ja., W.I.