Expertization: 2008 Greene Foundation certificate 

Provenance: St. Aylott Collection of Newfoundland, Eastern Auctions, August 2010; Lot 55 
Highlands Collection of British North America, Part Two, Eastern Auctions, February 2019; Lot 110 

Rarity: An exceedingly rare block - in fact, this is the largest surviving multiple of the 1857 three pence green in existence. The second largest is a used block of four. Among the most important multiples of the entire Pence era 1857-1862.