• Here are a few options
• depending on how formal or concise you want to be
• all suitable for South American Spanish: 1. **Una pequeña mancha de bolígrafo en el centro de la espalda.** * (A small pen stain/mark in the center of the back.) - This is probably the most natural and common way to say it. 2. **Una pequeña marca de bolígrafo en la parte central trasera.** * (A small pen mark on the central back part.) - "Marca" is more general than "mancha" (stain). 3. **Mancha de bolígrafo pequeña en la mitad de la espalda.** * (Small pen stain in the middle of the back.) - A bit more concise
• often used in defect lists. **Recommendation:** I'd go with **"Una pequeña mancha de bolígrafo en el centro de la espalda."** It's clear
• natural
• and accurately conveys the meaning.

Características:

• Estampado oficial PS-Pro de la Premier League para el rápido extremo brasileño Gabriel Martinelli #11
• Parche oficial de la Premier League en la manga
• Etiquetas oficiales y originales de adidas