Are they a "True" Pair or a "Matched" Pair ??

There are essentially 3 categories of "pairs":

1)(True)Pair-2 guns made at same time by same maker to be identical in weight,dimensions
etc.Consecutive serial nos.

2)Matched pair-2 guns by same maker,constructed to be identical but made at different times...Not consecutive serial nos.

3)Composite pair-2 guns by same maker,not identical,in one case.
Then for the ultimate-triplicate or garniture:three identical guns cased together
.