ECB Backplane4 PCB Bare Board
Green solder mask,  no components, board only.
The last photo is for reference only, this is my own test board!


Very good starting point for developing and "back to life" an classic old SBC boards ;)
More info can be found here:
https://www.retrobrewcomputers.org/doku.php?id=boards:ecb:backplane-4:start


SHIPPING & PAYMENT INFORMATION:
 The US buyers doesn't need to pay any additional charges as the seller offers to ship this item with DDP (with all import duties and taxes pre-paid). However, due to new requirements from the US administration, shipments may be delayed by US customs.
• Shipments are sent by standard air mail and tracking number, usually USPS for USA and Deutsche Post for other destinations!
• Delivery time - 6-21 business days (varies depending on the country of destination).
• The buyer is responsible for all shipping cost and taxes.
• All returns (where is applicable ) must be made within 30 days from the payment date. The returned product(s) must be in the same condition as it was sent to you.