Inside out, frit, popular borosilicate glass pipe

Inside out, frit, borosilicate glass pipe. Different shades of purple, yellow, and green frit (crushed glass) melted throughout the inside of the pipe. Very thick glass with a flat spot on the bottom. Weighs 93 grams. Just under 4 inches long. Pictures were taken in the sun so the pipe is darker in color in indoor lighting. popular