Original 3Com ethernet card, used, in good physical condition but I'm unable to test it.

• 3Com model 3C500, part number 34-0780-00 Rev F, Board number 48-0747-00 Rev C
• Labeled as "IE Controller", IE = IBM Ethernet
• Serial number 053161, the latest date code on an IC is 8445 (November 1984)
• AUI and BNC connectors
• Green solder mask