V. Seetharamaiah's Signature (pen name - Vi. Si.) - taken from URL (https://www.srikanta-sastri.org/v-seetharamaiah-4/4595081391) where photgrapher Sathyavrath. S. N. has set it free in public domain under CC0
https://www.srikanta-sastri.org/v-seetharamaiah-4/4595081391
Original photo of the letter signed by V. Seetharamaiah taken by Photographer Sathyavrath. S. N. who has set free his copyright to the photo by releasing it to www.srikanta-sastri.org under Creative Commons License CC0 (This has been counter-verified directly with Website Administrators of www.srikanta-sastri.org)