31A25331 · pointing to the forehead with the index finger

31D12(+0) · youth, young man, adolescent (+ variant)

48C149 · ruin of a building ~ architecture

54A31 · Experience, Mastery; 'Esperienza' (Ripa)

86(EXPERTUS RUPERTUS) · proverbs, sayings, etc. (EXPERTUS RUPERTUS)