1977 Queen Elizabeth's Silver Jubilee Math Set Tin Compass Protractor Rulers VTG

Vintage 1977 Rare Math Set for The Queen''s Silver Jubilee (Queen Elizabeth) Contains plastic holder inside the tin plus an array of Geometry and Math Tools--- Protractor, Compass, Rulers Etc. Rulers are mostly Helix- made in England except for one The Compasses are both different brands-- one is POST Made in Germany and the other one says Parker I am not sure if these were the original tools that came with the tin. But they all fit perfectly in the Tin The tin has a couple bends and scratches from age Contains 7 pieces + the Tin Rare find Approximate Measurements of Tin: 7" x 3" x .75" Ships with care from a clean, smoke free home!