text: 3 of those were added by you in 2015-06, so you should know :p
  
  https://www.mapillary.com/app/?focus=photo&pKey=1Tkhp88n9R_BkBSAS2OeJg&lat=53.342949949949954&lng=-6.276408199994745&z=17 shows that there might indeed be 3 an-post thingies, but not 4.