A method of merging, on a table, postal articles with mailpieces that are already sorted, said method being characterized in that it comprises the following steps: • placing the mailpieces in a stack and on edge on a merge table; • placing the postal articles to be merged in a stack and flat on a deck of an assistance electronic station (PE) for assisting with manual sorting, which station comprises a camera disposed overlying the deck , a display screen , and a monitoring/control unit ; • causing the monitoring/control unit of the station to operate in such a manner that, before each time a postal article is taken from the top of the stack of postal articles, a digital image of said article is formed by the camera , and, on the basis of said image, the unit produces, on the display screen , a first marker signal that designates a vertical slot in a sorting frame , into which slot said postal article is to be inserted ; • when the vertical slots of the sorting slot are filled with postal articles , taking a bundle of postal articles, as a handful, from the sorting frame , and placing it in a stack and flat on the deck of the assistance electronic station (PE) for assisting with manual sorting; and • causing the monitoring/control unit of the station to operate in such a manner that, before each time a postal article is taken from the top of the stack of postal articles, a digital image of said article is formed by the camera , and, on the basis of said image, the unit produces, on the display screen, a second marker signal that is representative of an insertion position in the stack of mailpieces on the merge table , at which position said postal article is to be merged . • placing the mailpieces in a stack and on edge on a merge table; • placing the postal articles to be merged in a stack and flat on a deck of an assistance electronic station (PE) for assisting with manual sorting, which station comprises a camera disposed overlying the deck , a display screen , and a monitoring/control unit ; • causing the monitoring/control unit of the station to operate in such a manner that, before each time a postal article is taken from the top of the stack of postal articles, a digital image of said article is formed by the camera , and, on the basis of said image, the unit produces, on the display screen , a first marker signal that designates a vertical slot in a sorting frame , into which slot said postal article is to be inserted ; • when the vertical slots of the sorting slot are filled with postal articles , taking a bundle of postal articles, as a handful, from the sorting frame , and placing it in a stack and flat on the deck of the assistance electronic station (PE) for assisting with manual sorting; and • causing the monitoring/control unit of the station to operate in such a manner that, before each time a postal article is taken from the top of the stack of postal articles, a digital image of said article is formed by the camera , and, on the basis of said image, the unit produces, on the display screen, a second marker signal that is representative of an insertion position in the stack of mailpieces on the merge table , at which position said postal article is to be merged . <EOS>