Melitta Coffee Filter Dripper Vintage 102 Green Lettering Vintage Three-Hole Four-hole type: from 1936 Three-hole type: around 1954 In 1963, the hole was standardized to a single hole. This is a valuable item, made for only 9 years. For those who do not mind the stains and scratches that come with being vintage, thank you. Please check the condition in the photos, and feel free to ask any questions you may have (^^) Thank you. ^ - ^