From Fallen London Wiki
for the record (the previous comment got eaten)
if you multiply its price by 10 to make it an integer, the Overgoat costs 2*(2*11^2)*(2*11^2) echoes
for the record (the previous comment got eaten)
if you multiply its price by 10 to make it an integer, the Overgoat costs 2*(2*11^2)*(2*11^2) echoes