Jan Mertens reported this
link. Reederij Gebroeders Goedkoop, Amsterdam - flag diagonally divided
white/red; in center countercharged "G".
This company was founded early 19th century, dissolved in 1999
Jarig Bakker, 9 Mar 2005
Goedkoop early flag
image by Jarig Bakker, 9 Mar 2005
According to Loughran's "A Survey of Mercantile Houseflags &
Funnels", 1979, the early flag was diagonally white over red, with
two countercharged 6-pointed stars.
Jarig Bakker, 9 Mar 2005