Re:
Think there are a lot of anomalies with Orange's early frames as they developed and tried different ideas each year. In '93, they used bold blocky 'sans serif' font for the decals. Yours looks early '92 as mentioned with those 'serifed' decals but it has the top tube cable stops, the front mech cable router brazed on top of the BB shell and the seat tube clamp of Oranges from earlier years. Mine has the same seat tube clamp (taking a 26.8mm post) as yours. An old Zoom post slides in with no effort but other posts of the same diameter sometimes require a heavy duty flat head to gently flex the clamp open. Got the same top tube cable stops, the funny BB shell cable router too but there's a bridge connecting the chain stays which suggests 89/90 vintage. But Orange frames vary so often that I'm never really sure.