Is there alliteration in shakespeare sonnet 73?

Yes, Shakespeare's Sonnet 73 does contain examples of alliteration. Here are a few instances:

- "That Time of year thou mayst in me behold" (lines 1-2) - The repetition of the 't' sound.

- "When yellow leaves, or none, or few, do hang" (line 2) - Repetition of the 'h' sound

- "Thou art thy mother's glass and she in thee" (line 8) - Repetition of the 'th' sound

- "Lo! in the orient when the gracious light" (line 12) - Repetition of the 'l' sound.