The path to your img resource should be 

/web/image/61005 

rather then 

/web/image/ir.attachment/61005

Otherwise you'll just get the default placeholder, which would be

There is also a chance that the rendering process does not actually have access to the ir.attachment resource. In that case you can try and make it a public resource. Due to the fact the alt tag is given as  'Logo ...' it should be fair to assume that this image may as well be visible to someone without a login.

To set the resource public, enable the Developer mode, then go to Settings -> Technical --> Database Structure -> Attachments. Find your ir.attachment in there and set Is public document to 'true':

Also, ensure https://example.com/web/image/61005 actually returns the image you expect. Else, the ID is probably just wrong.