#signature mark

[conservethis]

Mmmmm

[hdslibrary]

Start with A

Interesting bibliographic feature of this 17th century thanksgiving sermon: The leaf shown above is leaf A1. Normally we would expect a page before the title without other content to lack a signature mark (and even when the title page is the first leaf of gathering A, it is very rarely labelled as such). 

In any case, the printer found a pretty way to mark the beginning of the booklet!

Squire, John, approximately 1588-1653.   A thankesgiving, for the decreasing, and hope of the removing of the plagve : being a sermon preached at St. Pauls in London, upon the I. of Ianuary, 1636 / by John Squier priest, vicar of St. Leonards Shordich, sometime Fellow of Iesus Colledge in Cambridge.  London : Printed by B[ernard] A[lsop] and T[homas] F[awcet] for Iohn Clark, and are to be sold at his shop under St. Peters Church in Cornhill, 1637.