I have for sale new and used 4CX250BM/JAN-7203A. The used vavles are
recent pulls from equipment and are in excellent condition. I can send
pic's of the tubes for those that are interested.

Used: $30/pair
New: $30/each

Shipping will be $5 USPS 2-3 day no matter what quantity. I will
consider reasonable offers for larger quantities.

Thanks!