What is my XYZ worth? How much is THIS worth? Value my...

As much as I love it, I'm 'considering' selling this as after taking it for a few days through cornwall and devon I think the money would be better spent on something less audaxy and more of a full on tourer.

53cm 1984 Reynolds 531ST frame built by Pennine Cycles. 'Pennine' stamped into seatstays. Chrome Campag dropouts. Had braze on's added and was powdercoated somewhere along it's life by Doug Pinkerton. Recently installed stronglight A9 (sealed bearing) headset.
Pretty much all the components where bought new and have had approx 350 miles on them.

Hand built open sport/ tiagra wheels. Armadillo tyres.
Sugino XD-2 with stronglight dural outer ring. 48/38/28.
Sram chain. Shimano HG50 cassette 12-25
Tiagra front and rear mechs. Sora Brifters.
No name stem, and seatpost. ITM bars, Crosstops, Brooks tape.
Tortec velocitu Hybrid rack, tortec bottle cages, SKS Chromoplastic mudguards.
Knackered rolls saddle, Shimano M540 Pedals
Ultegra front brake/shimano long drop rear.

^ still after any idea of price for this