SG 254 / SG254w (Inverted Watermark)
1r.50 on 2r.50 Slate  
Ceylon SG264

Period of issue - 1899-1900
Perforation: 14
Catalog numbers: SG 254
SG Catalogue Values: 20 (Unused) 45 (Used)
Watermark: Crown CA
Paper: White
Printer: De La Rue & Co., London
Type: Recess

Image © Ceylon Stamps