Found these cassettes but im not too sure what theyre worth. Since i do splice blank tapes, i may just gut them out and use their casings. If anyone had any info
Blank Cassette Tapes Custom-Loaded With MUSIC GRADE Normal Bias Tape And Your Choice Of Color - Custom-Loaded Normal-Bias Audio Cassettes - Audio Cassettes - Duplication.ca
Lot 6 IMATION 541 MINI DICTATING CASSETTE TAPES 30 Min | eBay