Greeley & Brown: A Beautiful Matched Pair of 1872 Ferrotype Lapel Studs

Greeley & Brown: A Beautiful Matched Pair of 1872 Ferrotype Lapel Studs. Unlisted by Sullivan and in choice condition, they form a nice "jugate" for this tough ticket. We have never before encountered them in this form. Diameter of each is 18mm. Grade: 0, Service No.: 0