The product is a vintage Order of the Arrow patch from Oa Lodge #70 Tali Tak Taki, within the Unaliyi Chapter, ZX-1, in the years 1933-1991. It is shaped like a Keystone and is a collectible item specifically associated with the Boy Scouts fraternal organization. This patch holds historical significance as it represents a specific lodge within the broader Order of the Arrow program during that time period.