Earliest photo of it in use I can find is this one from 2007 in Cligga Head.
If my fading memory and grey cells can be trusted I think I bought it in March 93 before a Notts Pot trip as the previous one was falling apart and I bullied into going to Inglesport to part with cash before I was allowed underground!
That would make it 28 years from purchase
The pictures at the top were taken under a crappy low energy light so it looks very washed out compared to how it really is, but not as purple as this pic shows... The early days of my digital photography underground, but this was taken by Chris, known as Tin Miner.
I have been offered £20 for it from a mate so he can teach his Mrs SRT... Bargain :D