I am looking at a collection of 1940s and early 1950s photographs.  They are all inscribed to a son of a studio employee.  There are a bunch of lower end autographs from a value standpoint but one of the biggest photos is a Bogart.  It is a nice studio portrait by Bert Six but the Bogart signature looks different than other examples I have seen.  Especially the "t" having a loop instead of the typical bogart of t that has a straight line to the right.  I had previously posted one autograph that looked close to the one I  am looking at but wanted to get an opinion on the actual signature.  These photos were all in a scrapbook and they are all 70 to 80 year old photos and most have inscriptions to the same person.  Thank you in advance for your opinions.