Cloverleaf epaulettes with half-ball buttons. Produced before 1960. The pair

The red epaulettes are new and come from Éts David.
They are not sewn (see picture) for a few centimeters in the area where the buttons are located.
The other epaulettes come from Éts Peignon, a costume maker in Nantes that operated from the Second Empire until the early 2000s. Their stock contained some real gems... We were there during their liquidation sales.
The two white trefoils are not actually a pair; the fastening systems are slightly different, which is not noticeable once installed.
The two blue ones underneath are also very slightly different, but they are not visible side by side on the uniform. Price reflects this.
Dimensions
Red/blue "gendarme" epaulettes:
Length: 17 cm
Max. width: 9 cm
Min. width: 4.5 cm
Silver/sky blue officer epaulettes:
Length: 14 cm
Max. width: 6 cm
Minimum width: 2.5 cm.
White/sky blue troop.
Length: 12.5 cm.
Maximum width: 5 cm.
Minimum width: 2.5 cm.