These are GWR Garter Crests suitable for the period from 1903. Waterslide, they are easy to apply.
TRIANGHORNBY/TRIANG REPLACEMENT PLASTIC/NYLON LOCO MOTOR BRUSH HOLDER XO3/XO4
BACHMANN OO Gauge 31-725A NRM City Class 3717 'City of Truro' GWR Garter Crest
Bachmann OO Gauge 31-725A NRM City Class 3717 'City of Truro' GWR Garter Crest
DCC Fitted BACHMANN OO Gauge 31-726 3433 'City of Bath' GWR Garter Crest