Update: 9mm sold
These two eyepieces came with a scope I got over a year ago, but I never use them. One is an RK 20mm, which gives fairly decent views. The other is an K 9mm, which has too tight of an eye relief for me. They are both in good shape - I only used them a few times. I will sell each one for $15.00, including the USPS shipping in the USA, or $25.00 for the pair. Each one has a bolt case.
If you have some item to offer for trade, let me know what it is.