Pre-tied style, with old-fashioned buckle fastening.
2 clips on the back, to hold it in place.
No garment composition label, but it appears to be silk.
Judging by the address format and the style of the bow tie, it was probably made before the First World War.
The size of the bow is 4 1/4 inches (10.5 cm) long by 2 inches (5 cm) tall.
Size and custom fitting
This bow tie will fit all collar sizes from 14 to 18 inches.