After searching close to 25 bricks (25,000 notes) of HPA prefix notes I finally found a single 2005 $5 Jenkins-Dodge, HPA (5.960M - 5.980M) insert.
This $5 insert could be as scarce as the 2004 $5 Jenkins-Dodge, HOG (9.920M - 9.940M).
{http://www.davgro.com/images/eBay/2005_$5_HPA5963130_Back.jpg}
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Arthur Richards
Contributor, Charlton Catalogue of Canadian Government Paper Money, 19th, 20th, 21st, 22nd and 29th Edition
Pricing Panel Member, Charlton Catalogue of Canadian Government Paper Money, 21st Edition 2009