I must respectfully disagree with you, novakjr, on your pricing of these. Can you post the links to all of them that you have seen selling for $5 and less.
I searched eBay Solds and found a different picture than the one you have portrayed. I found them from roughly $10 - $43.00.
http://www.ebay.com/itm/1915-Spaldin...item35d06aa297
http://www.ebay.com/itm/1910-SPALDIN...item2a35a0f2f7