Vintage Pyrex Glass 4 Cup M- 320 Blue Lines Corning NY

Vintage Pyrex M-320 Corning NY USA Measuring bowl with pour spout. Blue markings for 1,2,3,&4 cup measurements. No oz or ml measurements. Preowned condition with lots of scratches at the bottom, inside and out. Some imperfections in the blue printed line. This has bubbles in the glass. Has some etch like indentations on the bottom not sure if it was made with them or if they are flaws. This is being sold as is with flaws and imperfections. This is a very handy item for any kitchen! Please closely examine photos for a more detailed description of item and condition. Please be aware not all flaws show up in pictures due to light glare. Thank you!