I also have some old Hawk Chalks if anyone is interested. Not sure what they're worth, but I've seen them sold pretty quick before.

-1987: April, August, December
-1988: April, August, December
-2001: February, April, August, December
-2002: February
-2003: April, August, December
-2005: April, August, December
-2006: April, August
-2007: April
-2008: August

-NAFA Journal 2005
-NAFA Journal 2007