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Belgrade resident found a note under the doorbell: Are burglars marking apartments or was it just a package delivery? THIS is the truth
A Belgrade resident was confused and worried when she found an unclear inscription "05.03, 9,50" under the doorbell next to her apartment. She posted a picture in a neighborhood group, triggering a flood of comments and the well-known dilemma: Are these signs for burglars or just notes from workers?

TL;DR
- A Belgrade resident found an inscription '05.03, 9,50' under her doorbell, causing concern about potential burglar activity.
- Neighbors debated whether the marks were for burglars or for workers like delivery couriers or utility service staff.
- Past incidents, like a 'plus sign' marking a missed delivery, highlight that such markings often have mundane explanations.
- Delivery drivers, utility workers, and surveyors may leave codes to indicate visits, delivery status, or work progress.
- The article recommends cleaning the markings, asking neighbors about recent visits from services, and always locking doors.
- It advises checking dates and times on inscriptions, which often resemble delivery reports rather than secret codes.