The best tool you have to decipher these clues is your eyes. Queen Victoria loved jewelry and soon her fellow countrymen were as enamored of it as she was.
Britain always used the standard 925 and had another standard which is 956 silver which was called Britannia silver (this Britannia silver is seldom seen) and instead of the Lion rampant or lion Pageant you would see Britaina. Hence why British silver is sought after pre-1900 hundreds.
Britain would not accept any standard below 925 as silver. Scandinavian countries used 830s silver like Denmark moved to using 925 silver in 1927 however even though a higher grade of silver was used by most jewellers in Scandinavia, they stuck to stamping there jewellery 830s as they did not have to pay a tariff to the assaying office for the change over to 925.
Wearing the prescribed uniform and having a good personal appearance is part of the discipline each member of the service demonstrates to show his or her pride in being part of an effective military force.
The US Army uniform is to be worn whenever personnel are on duty.
Lapels and sleeves of service, dress, and mess coats and jackets will be roll-pressed, without creasing. Slacks and the sleeves of shirts and blouses will be creased.