I am not at all an expert on buttons but I believe these are vintage and think that this set contains some buttons that are Lucite, Bakelite, Celluloid, What you see is what you get! From a clean, non-smoking and pet-free home. You will receive exactly what is pictured/photographed. Tip: mouse over or click on the photo to view a pop-up of an enlarged version of the photo to see all the details! We guarantee your satisfaction with your purchase or your money back! You can purchase from us with confidence, we have sold over 7,000 items to happy buyers just like you. Most buyers receive their order within 2-4 business days of payment. And we pack every item with care to ensure you receive it in the same condition as is described and photographed in the listing! Questions are welcome, we will reply quickly.