This might be too late for you – but it might be helpful for others browsing this thread.
Pat Reagh in Sebastopol, CA sells complete sets of @ signs in both san serif and serif styles in 4 sizes on four different size bodies for easier alignment. You can get them on eBay.
Gill Sans: http://www.ebay.com/itm/291240761297
Century Old Style: http://www.ebay.com/itm/291230016654