File:Pinaforeplaybill.jpg
The scene depicted is consistent with the moment in Act II after Captain Corcoran's line: "... to seek your Captain's child in marriage, why Damme, it's too bad!" Note that Sir Joseph has entered but does not yet seem to have heard the Captain's oath.
The illustration is also reproduced in The Official D'Oyly Carte Picture History by Robin Wilson and Frederic Lloyd, p. 65 (New York: Alfred A. Knopf, 1984 ISBN 0394541138) and also appears on the cover of the Dover full score of H.M.S. Pinafore, (2002 ISBN 0486422011).