I found them at a thrift store in a large bin of assorted utensils. I also found these 2 forks which I haven't been able to find any information. They appear to be made of silver.
Category
Silver and Silver Overlay
Medium
silver
Distinguishing marks
GBABDN on back. .
Condition
Excellent
Size and dimensions of this item
About 24 centimeters long.
Date Period
Around 1800
Weight
72 grams
History
Made by George Booth of Aberdeen , Scotland. ca.1800