He is wearing an 18th century(ish) shirt which I picked up quite a few years back on the Re-enactor's Market, a pair of drop fronted and buttoned trousers that I made from fine wool with a Simplicity pattern and a waistcoat that I made from the same pattern. All fabrics had been in my stash, same as the buttons, and I was happy to use them. The spectacles are genuine 19th century ones that I had fitted with window glass and the gloves are early 20th century.