Thanks for further replies.
The albums in question cover most of my pre digi camera life, have written info and enclosed maps, notes etc. I was "required" to finally leave Thailand 2017, and was only able to do so with a suitcase and lap top; after 11 years of residence. My wife has been good as gold, not destroyed any of the house full of stuff I abandoned. I've accepted my fate, and didn't think I'd ever be bothered about all the historic "stuff" I left behind. It's only recently I've been thinking about those albums, and the info contained. As the wife has shown she still has, and is willing to post to me if I send her the money; the temptation to explore the cost has grown.
I seem to have now gained reliable cross referenced info re post out of Thailand.
The chance of accidental loss goes without saying. The chance of theft in the postal system is possibly higher at the uk end, but exists at all stages of delivery. I would expect the parcel to be opened and searched by customs in Thailand and UK.
My Nat West bank account in the uk require lots of info regarding me, her, her Thai bank acct, source of money and reasons for sending etc. So, I'm probably going to use Western Union to send about 5000TB to her Kas bank account. Not a fortune, and worth the gamble to get the thing settled one way or another.
I wonder what will happen next.