Overview
- Postal workers explained on Reddit that the letter P is a note to themselves indicating a packet or parcel is due for that address.
- Carriers sometimes add a number, such as P10, to show there is a parcel for a nearby house that has no letter that day.
- The marking helps prevent a postie from delivering the letter and then realizing they forgot to knock to hand over a parcel.
- Coverage emphasizes there is no evidence of any criminal link despite online claims that the mark identifies homes with valuable dogs.
- The RSPCA advised concerned pet owners on precautions like microchipping, keeping contact details current, and maintaining recent photos.