Type: Inscription
Location: Top surface of rim
Inscription: "G IV R" with a crown, engraved in script
Type: Mark
Location: Underside
Inscription: "LONDON/ SUPERFINE" in scalloped rectangle, stamped
Type: Mark
Location: Underside
Inscription: "THOM[ ]S" above and "ALDERSON" below a lion and crown, stamped
Type: Mark
Location: Underside, flanking mark
Inscription: "X" and "X", stamped