This is a model of an esculpture in my home city Gijón. They are called Las Letronas (the Big Letters)
You can see the originals here:
https://es.m.wikipedia.org/wiki/Archivo:Las_%22Letronas%22_de_Gijon.jpg
https://www.google.com/maps/place/Las+Letronas,+Gij%C3%B3n,+Asturias/@43.5440737,-5.6650558,17z/data=!4m2!3m1!1s0xd367d06cfbb4aff:0x355be6721b05dae7?hl=es&source=lmns
The author hasn't provided the model origin yet.