For Auction - Collins 200Hz Crystal CW filter for 75S3B and 75S3C
receivers. Collins P/N 526 7677 001 Type X455KQ400 This is the last
of this type of filter that I have available for auction so get it
while you can! See it he

http://cgi.ebay.com/ws/eBayISAPI.dll...m=57154305 34

Thanks!