Back in 2016 REPUBLIC MOTO, a motorcycle lifestyle store, opened in the city centre of Rotterdam.
For them ánd for one of their biggest fans I illustrated these motorcycle helmets with a story:

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The black caferacer helmet for Arthur: 

The illustration exists of his personal details like his initials, year of birth, rememberable motor trip through Australia and his favourite motorcycle Triumph Bonnevile. It became a unique piece of protection and he still wears it to show off during gentleman rides through the city. [the first street scene photograph was shot by Hans Zijffers a.k.a. Craftwerk]

The white Nexx helmet for the store's gallery:

The illustration contains the shop's logo, as well as some symbols of Rotterdam. The big cranes that graces the skyline, as Rotterdam is well known for it's port. The shop was just located in the Fire Boundary, the part of Rotterdam which was burned to the ground during WOII. This boundary is marked by little red lights on the sidewalks with an image of a city in flames, a German bomber and the statue of sculptor Zadkine's 
"The Ruined City".
 

For some extra decorations I used the interior design of this NEXX x GARAGE helmet (pied-de-poule pattern) and applied it on the outside, along with a big triangle, which in this position symbolises the elements fire and air. For good luck there's the protective eye.