Sente-getting tesuji

Takagawa-Nabeshima  

has the feel of a sente-getting tesuji. (This is from a game Takagawa Kaku-Nabeshima Ichiro 1927-12-13.)

Is it right to say that Black had sente at the start of the sequence? Well, the stone was played as a pincer on , at a time when Black did have sente in the game as a whole.

Continuation  

Now Black connects in order to have some shape on the right.

White plays the staircase with and , and duly connects solidly with . This takes sente again, and White can attack with .

It was a two-stone handicap game; White's play is quite typical.