1897 Central Chebogue, NS to Augusta, Maine, franked with #35 1c, #41 3c and #F1 2c RLS pair, paying 8c registered letter rate.
An usuual means of paying the 5c registry fee.
The use of RLS stamps went from mandatory use to pay the registry fee, to relaxed rules, and in January 1894 the PO Guide states, “Discontinuance of special registration stamps The registered letter stamps in private hands could still be used to pay registry fees but they were no longer required. (They still could not legally be used to pay postage).