Here's a vintage-style death certificate from Lovecraft's Arkham. Opening the PDF with Adobe Acrobat Reader or a forms compatible viewer will allow you to fill in the blank fields with typewritten text using an embedded Freeware font.
This is the first time I've used form fields in a printable prop, so it would be helpful if you could leave a comment mentioning any problems. I also opted to use a light dotted outline to mark where the paper should be trimmed instead of using crop marks. If you find the marks easier to use I can make sure they're included in future projects.
You can download the PDF over here. Here's the JPG version:
Here's the original document the prop is based on: