Yellows I know of
1 in Blyth (Northumberland)
1 in West Country (Exeter way but unsure of exact location)
1 in France
1 broken in a salvage yard recently
1 spotted on A725 Bellshill bypass a month or so ago (could be you or Glasgow based one)
So - in existence that is 5 (counting me & you :D ) -------------------------------------------------George StokerNorth East England