| Technique | sterling silver, nickel silver, stainless steel, mother-of-pearl |
| Signature | the base of the cup stamped “STERLING 3077 RFLE”; the front of the teaspoon stamped “M.E.F.”; the reverse of the teaspoon stamped “TE,” “RBL,” and “STERLING”; stamped also on other pieces |
| Size | カップ / cup : h7.0×φ10.0 cm etc. |