Eimer 1139a.
74mm. White metal. Possibly by T.Halliday.
A most impressive medal showing detailed maps of the Eastern and Western hemispheres.
Slabbed and graded by NGC as MS64.
The certification number for this medal is 6946191-002.
Accompanied by contemporary red leather case. A superb medal and very rare this nice.
An example graded by NGC as MS62 (and without a case) realised a hammer price of US $2,000 in Heritage Auction 61359, 22/01/2024 (lot 24071).