Matrix A: 45V-002-A Sm Δ 48428 Matrix B: 45V-002-B Sm Δ 48428-X (etched)
Pressing Plant: Alco Research And Engineering, Co., Los Angeles, California.
Probably a plain sleeve.
Label images from Håkon Busterud.
Frank Zappa’s involvement
Frank Zappa and Ray Collins wrote both songs. Frank Zappa plays guitar, drums and provide vocals on both tracks