Navicula did give that the ELIZA ADAMS was depicted, I found the painting on the internet after which the Tristan da Cunha stamp sg 157 12½p was designed. http://explore-art.pem.org/object/maritime/M941/detail
The whaler depict on this stamp is the whaler ELIZA ADAMS viewtopic.php?f=2&t=9546&p=9824#p9824
The painting is made by the painter Charles Sidney Raleigh and is now in the Peabody
Essex Museum in the USA.
Tristan da Cunha 1971 12½p sg 157, scott ?