This rare Kodak No. 85 Wratten Gelatin Filter is a must-have for any photography enthusiast. Measuring 75mm in diameter, it is a neutral density filter that is compatible with both black and white and color film. The filter is made in the United States and is still factory sealed for optimal performance. This item is a great addition to any darkroom or developing setup and is sure to produce exceptional results. The brand name Kodak is synonymous with quality and reliability, making this filter a valuable investment for any photographer. Don't miss out on the opportunity to enhance your photography with this rare and highly sought-after filter.