Early 20th Century War Time Egg Size Measure

Rare & Unusual Item...Dating from Wartime Early 20th Century when eggs were rationed and the size had to be measured.

Mahogony handle with steel top. Cards with cut out sizes for eggs were inserted to measure ie small, medium and large..Now there is just the card it is photographed with which seems a medium size.

Post is first class signed for, for £4.55.