Haines paid $31,000 for the marble slab .
In 2003 John Haines , a retired car dealer , offered to donate a large slab of marble to the Arlington National Cemetery to replace the existing marble .
John Haines paid $31,000 for the marble slab .
In 2003 John Haines , a retired car dealer , offered to donate a large slab of marble to the Arlington National Cemetery to replace the existing marble .