1905 Treaty of Commerce Between Holland and the United States Medal. Holland Society of New York Replica. Bronze. 44.6 mm. After Betts-604. Mint State.Rich crimson-copper patina blankets both sides of this smartly impressed, satin to modestly semi-reflective example -- a fine substitute for a rare and expensive original. This type is an updated replica of the 1782 Dutch medal hailing first treaty of commerce with the United States (Betts 604). Struck by Bailey, Banks and Biddle.