FRESCO

Wall painting (6)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,088 — 2021-11-29 00:00:40
  16D: The Sistine Chapel has many such paintings (6)
• Quick crossword No 15,712 — 2020-09-14 23:00:09
  17A: Wall painting (6)