AVID:Unknown Logos

Here is a list of unknown logos:

Background
Taweesak Wirayasiri was a Thai journalist and film maker who made several short films during the 50s and 60s.

Logo: The Thai text "ทวีศักดิ์ วิรยศิริ เสนอ" meaning "Taweesak Wirayasiri Presents".

Technique: None.

Music/Sounds: A weird-sounding trumpet fanfare.

Availability: Seen at the start of "วิธีผลิตนมข้นหวาน" meaning "How to make sweetened condensed milk". The upload of this logo originates here

Unknown Station (Either “Channel 4” or “Canal 4") (Unknown)
Logo: The only available footage consists of this: On a black background, we see a white,, and purple line. We then cut to it forming a "4". After that, the screen finally cuts to a star forming and exploding. The rest of the footage is unknown.

Technique: Most likely cel animation.

Music/Sounds: Unknown.

Availability: The only available footage was used by an Argentine VHS distributor called Ulises Video Home.