1900 (ca.): Linen Girls... with an odd extra

This image was first posted to the internet in the Getty Images collection, and was listed there as showing a group of linen workers from Ireland around the year 1900 (though Getty Images doesn't note where they initially found the photo). The image was included in a general collection of Belfast, Ireland, images on a website before the anomalous detail of an extra hand in the image was noticed... then it was featured for the anomalous detail. This copy of the image comes from the BelfastLive website. [Link Here]

Here's a cropped shot showing only the woman with the hand on her shoulder.