Calibrator hadn't checked the thread lately and missed my posts...He sent me some links to YouTube videos of his red Mattel "M3" and the black drum-Thompson toy I'm holding in my pic...
https://www.youtube.com/watch?v=d554SF5ua2Y M3
https://www.youtube.com/watch?v=EPTUV77u6s8
https://www.youtube.com/watch?v=qDMidB2eWd0
https://www.youtube.com/watch?v=QWrEcFFSnxE
Kinda funny...One is labeled as the "first Mattel commercial shown on The Mickey Mouse Club"...
My Mattel Burp is also shown as selling for $3.00 or $2.50 in the videos...