Concept:
The artwork shown is a medieval Italian religious painting depicting the Virgin Mary and Child enthroned with saints and angels, characteristic of the Italo-Byzantine tradition. Such paintings were commonly executed using the Tempera and Gold on Panel technique.
In this method:
• Tempera (egg yolk mixed with pigments) was used as the painting medium.
• Gold leaf was applied to create luminous backgrounds and halos.
• The painting was executed on a prepared wooden panel rather than on canvas or walls.
This technique was widely employed by artists such as Duccio di Buoninsegna, Cimabue, and Giotto during the 13\textsuperscript{th} and 14\textsuperscript{th} centuries.
Step 1: Identify the characteristic features of the artwork.
The painting shows:
• Gold background,
• Religious Christian subject,
• Wooden panel composition,
• Medieval Italian style.
These are distinctive features of the Tempera and Gold on Panel technique.
\[
\boxed{\text{Gold Background + Wooden Panel} \Longrightarrow \text{Tempera and Gold on Panel}}
\]
Step 2: Examine the given options.
• Fresco on wall -- Painted directly on wet plaster walls.
• Tempera and Gold on panel -- Correct; typical medium for medieval Italian panel paintings.
• Oil on Canvas -- Became common during the Renaissance, not for this work.
• Oil on Sheet -- Not applicable to this artwork.
Hence,
\[
\boxed{\text{(B) Tempera and Gold on panel}}
\]