I once had in my possession what was probably one of the very best 1905 Half crowns available. I was in Kent, a stone's throw from London coins, so called them on the telephone hoping to be able to bring it along personally to be authenticated as the source was a private person and my intended customer wanted it 100% verified despite the fact that I was happy with it and so was cousin Monk whom I'd also showed it to. I was treated as if I were a clueless member of the public that was excited at just finding a Churchill crown! And was told that I couldn't bring it in personally (although I have been there in person in the past). In the end I sold it raw for £10k and the new owner (a very good customer/friend of mine) sent it to one of the US TPGs to be slabbed and it came back as MS66 (or possibly MS65 I can't remember). I've met Mr Lockett a few times, and have nothing against him or anyone else there including Semra who has in the past been a big help by sending me big excel files of price-data, but I do think they are at the very least under staffed and I also know from experience that as a coin dealer you do quickly get fed up with people calling up because (for example) they've just found a large 50p that they think is a piedfort, or they have a 1979 NEW PENCE 2p etc etc....and it's very easy to get snappy and treat all callers and possibly emailers too, with a certain default cynicism.