I have for sale a set of 4 Celestron/Vixen "silvertop" plossls.
36mm, 22mm, 17mm, and 7.5mm
The are in excellent condition. The 36mm has a small scuff in the satin finish. I have the original box and bottle for the 22mm. They all have caps. The 17mm and 7.5mm are direct from Japan. They have the Vixen label and a black ring around the eyelense. The 36mm and the 22mm are Celestron models from the mid 80's. $200 for the set or $55 each, shipping included.
Money order or Paypal (add 3%).