Simmons' Improved Sovereign balance
1840-1850
Cattles patent gold coin tester
"Simmons"s Improved" combined Sovereign balance and gauge
1840-1850
Tumbrel-type coin balance
Mr Henry's Patent Balance & Gauge
1774-1780
Pocket balance with weights
Gold coin testing and sorting machine
1860-1880
Guinea balance and gauge by S. Henry
1775
Sovereign weighing machine by L. Oertling
1869-1888
Japanese money balance, X-shaped
"Napier machine for weighing and classifying gold coins"
1853
Combined Sovereign balance and gauge in brass to fold up for pocket
1845-1850
Lane's coin balance in sharkskin case
1788-1792
Simple brass coin tester (c.1790)
1790-1800
Combined Sovereign Balance and Gauge with Leatherboard Case
1850-1855