A small but very well known restaurant at the river Elbe, Hamburg (Germany).
Some sailing ship in a small historic harbour named Övelgönne, Hamburg (Germany)
(black biro on 74mm x 97mm memo paper) If that was being advertised in London, it would probably go for half a million and be split up into flats (apartments).
Based on an exercise I give my college students called "Small Things"
A small sketch of a interior room in a heritage house in Cornwall
Made on a small sticky with a Sharpie and a gelly roll pen.