Classic ViewMaster - Historic Boston - History - ViewMaster Reels 3D - Unsold store stock - never opened ViewMaster - Historic Boston - History - 3 reels - New and unopened You will need a ViewFinder viewer to view the reels - available here on Amazon. Be the first to open this unsold store stock from the 1970s. ViewMaster issued 10 packets for America's Bicentennial Celebration providing historic information on America's history. This is one of them.