This listing is for a used vintage Premo Ray Screen optical lens associated with Zimmerman Brothers of St. Paul. It may appeal to collectors of vintage optical items, display buyers, or shoppers looking for a period lens component. Free shipping is included, which can be helpful when comparing total cost. Because the available information is limited, buyers should review the photos and item specifics closely to confirm the exact type, markings, compatibility, and overall wear before purchase. Condition is listed as used, so signs of age or prior handling should be expected. Check the listing for full details. Vintage PREMO RAY SCREEN Optical ZIMMERMAN BROTHERS St. Paul LENS. Condition: Used, Made in United States. Listed at 36.39 USD. I am not an expert on grading, nor do I claim to be. This is the exact item you will be receiving (See Pictures).I am not an expert on grading, nor do I claim to be. This is the exact item you will be receiving (See Pictures).