We used this easel to hold the table plan at our wedding. It's ideal for holding a table plan or welcome sign and is lightweight and fully adjustable.
Maximum height after extending: 185cm(73")
Maximum Height of board : 115cm (45")
Thickness of board: 20mm
Max Load capacity: 5kg
Easel weight: 1.5kg
Each of its three legs are individually adjustable making it great for uneven surface.
There are no instructions but assembly is quite straightforward (Google "St Pauls field easel" if unsure).
I'm in Cardiff - happy to post in UK for £5.