To add a Sold dot over the Image, you can follow these steps:
#1. First, you add a Gallery Section
#2. Enable Gallery Captions

#3. Next, you add a SOLD text in the Description box

#4. Add this code to the Page Header Code Injection (the page where you want to add the Sold dot)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
<script>
$(document).ready(function(){
$('figcaption p:contains("SOLD")').closest('figure').addClass('sold-dot');
});
</script>
<style>
figure.sold-dot>div {
position: relative;
}
figure.sold-dot>div:after {
content: "";
display: block;
width: 30px;
height: 30px;
position: absolute;
right: 20px;
bottom: 20px;
z-index: 9999;
background-color: red;
border-radius: 50%;
}
</style>

#5. Result
