Patent illustration for a Tailor's Charcoal Iron designed by Freedeick William Eisenberg, circa 1888. "This invention relates to certain new and useful improvements in tailors charcoal-irons." Click on the image to enlarge.
This demonstration on the use of a Charcoal Iron reminds us it's still used today in many undeveloped areas of the world.
Be aware that Charcoal Irons are manufactured today for use in various areas of the world. Here is an ad showing one particular model, the "Cock Brand", produced and distributed by Linyi Fuyu Metal Products Co., Ltd. of China. According to their website the main market for these irons is Africa.
This company in India also currently manufactures Charcoal Irons.