Looking at the construction, it could be either a Hornby Dublo / Tri-ang / Wrenn item, but I cannot be sure. This is for a proprietary 4mm scale OO gauge pony truck.
Scale Link 4mm Scale OO/EM Brass Etch / Fret ref F4 - Cast Iron Style Brackets
3D printed 252 Prototype HSTD Class 41 cab ends 4mm scale OO gauge
Wills Finecast 4mm Scale OO Gauge SECR D Class 4-4-0 Locomotive Kit Unpainted
DCC Concepts 200g Ballast Tub 4mm Scale / OO Gauge Select from drop down menu
Highland Railway Strath Class Loco Number Plates for 4mm scale/OO Gauge
