The flag is dated 1852 and appears in the signal painting. Earlier owners William B. Coffin and Gilbert Coffin & Son also had house flags.
Planter operated from Nantucket from 1818, initially under uncertain Coffin owners, later William B. & Gilbert Coffin, Bazilai T. Folger, Robert W. Gardner and Edward W. Perry. She burned out in 1859.
Keep the explicit scope label independent; no alias or company identity is inferred.