Heathkit NOS PC board. Part Number 85-131-6 with 4 NOS tube sockets for the board (2 ea 434-0112-00 (std 11 pin), 1 ea 434-0129-00 compactron socket and 1 each 434-0130-00 compactron socket. Free for the asking ... you pay the postage. Please reply off list to n9qr at arrl dot net or n9qr at n9qr dot com Thanks 73, Mike N9QR Fort Wayne, IN