15thc perception on swallowtail merlons?

[Pierre Dumont Himself]

Before we continue with Brescia, I would like to show you two remarkable sets of frescoes: 
1. The comune of Lentate sul Seveso near Milano stands out for its three frescoed oratori, of which the Oratorio di Santo Stefano is the most richly painted and the only one to feature swallowtail merlons. 

Maestri di Letante, Life and Martyrdom of Stephen, early 15th century
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This cycle is particularly interesting because of the lone swallowtail merlons at roof corners, which can also be seen in photographs of the Palazzo del Podestà di Castell'Arquato taken between ca. 1900 and 1916.



1913 photograph of the Palazzo. 

2. Abbazia Benedettina di San Pietro a Villanova in San Bonifacio, Provincia di Verona houses multiple works with swallowtail merlons.
The first piece is the Ancona di San Pietro by Antonio da Mestre and his workshop, dating to the first decade of the 15th century. The panel with swallowtail merlons shows Saint Peter visiting Agatha in prison and healing her amputated breasts. According to tradition, Saint Agatha was imprisoned and tortured by the Roman prefect Quintianus after she rejected his advances. She is considered the patron saint of rape victims.



Next, we have the Storie di San Benedetto by the Maestro di Villanova, possibly Martino da Verona (first decade of the 15th century). 


Lastly, the same scene from the Storie di Sant’Agata by a Veronese painter close to the style of Giovanni Badile (third decade of the 15th century).

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Angelo Passuello, L’ABBAZIA DI VILLANOVA DAL QUATTROCENTO AL SEICENTO. 2013, sections 7-9.
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Angelo Passuello, I dipinti murali dell'abbazia di Villanova. 2019, sections 2.0, 2.1, 3.0, 4.0, 4.1, 7.0, 9.0
In the 2019 article, the ancona is redated to the 1430s, but this might be a typo as six fresco fragments from this decade are listed above it.