Could be wrong, but I didn't think I did anything to delete the attachment and that it did work for sometime after and then not.
It's working now, but still seems odd:
The original image is still there in the Attachment Directory:
https://www.electrical-contractor.net/forums/upload/attach/605.jpgI created a new post with the old non-working link in img tags...
I updated the Forum Cache (in Chrome) opened a FireFox Browser, (which I rarely use), cleared the History and signed on as Admin.
I can see the original image in the new post I just made with the original link (
https://www.electrical-contractor.n...ownload/Number/605/filename/DCP_0004.JPG )