Collectie Penningen en Munten Dhr. H. van Osch - Pax in Nummis - 1780 - Medal 'Covenant for Neutrality' by A. van Baerll (VvL-548; Pax-; KPK 3358; Forster I-112; Betts 572 ; Hild. 57; Nav. Med. 622) - silver 32 mm, 12.07 g. - FDC, ex Coin Investment, Auction November 1979