1757 birth record for Anna Catherina Roeller in Mühlhofen in the Pfalz. The abbreviation is in the circle: a 'C' or 'E' or 'S'? And what would it mean?

I'm chuffed to find my own solid English/Norman surname 'Randolph' for one of the witnesses -- didn't know it also existed in Germany!

Protestant Reformed Parish in Mühlhofen

Transcription:

MDCCLVII  1757

Den 6ten 9bris Ließen Philipp Roeller, junior, B: dahir und Anna Maria, Eheleüte, ihr Töchterlein, so ich 3ten dito Gebohren, Tauften und Annam Catharinam nennen; Zeügen waren Johannes Randolph, B: und Zimmermanns Mster dahir, und Anna Catharina, s: ehel=r haußfrau

Translation:

1757

The 6th November: Given by Philipp Roeller, junior, [middle class] citizen here and Anna Maria, married couple, their young daughter, born on the 3rd of the same [November] and named Anna Catharina;  witnesses were Johannes Randolph, [middle class] citizen and master carpenter here, and Anna Catharina, legitimate born housewife.

Image downloaded from Archion.de; Image 54:

https://www.archion.de/en/viewer/?no_cache=1&type=churchRegister&uid=52125