Soccer Field 40 kHz All Metal, God Mode Reveals Antique Finds & Jewelry! Nokta Legend 1.15 

First item found was a 1920s Silver Plated Bronze, Art Deco Hickok Plate Belt Buckle with a the initial F on it. Rare item according to Etsy.
The lead seal is from the late 1800s-early 1900s, and is a Boston & Maine Railroad Box Car Lead Seal. Used to secure railroad boxcars.
Ring was junker.
Field Mode
All Metal
20 kHz
Sensitivity 20-30 (depending on stability)
Noise Cancellation (Important) Frequency Shift
Recovery Speed 6-9
Iron Filter 3
Stability 2
Ground Stability 2
Volume 2
Audio Gain 3
Pitch tones
Tone Volume (1,10)
Tone Frequency (1,25)
Tone Break 9
Threshold Level 1
Threshold Frequency 10