Coin-operated scales were used to check weight in the 1920s, 30s
Coin Scale
Digital Coin Operated Scale, Fully Automatic, for Business,Industrial at Rs 14500 in Chennai
Coin Weighing Scale Model Nfn - Coin Weighing Scale Nfn, HD Png Download - 1500x1500(#6717080) - PngFind
LCD Digital Parts Coin Weighing Scale Counting Scale Capacity
QTech EZ-60 Coin Counting Scale (60lb Capacity)
Watling Scale, Coin Scale Chicago, IL, Porcelain Vintage Arcade
swisser Digital Coin Operated Weighing Scale, For Industrial, Weighing Capacity: 200 KG at Rs 12500 in Ahmedabad
Coin Weighing Machine, Display Type : Digital at Rs 18,000 / Piece
Hochoice Industrial Counting Scales 15kg x 0.5g | 33lbs×0.0011lbs | Counting Scales for Parts and Coins|High-Precision Electronic Gram Scale
LCD Digital Parts Coin Weighing Scale Counting Scale Capacity