770 Balancer with a 2200 stamp

A handy person from New Jersey says:
October 24, 2019
I'm not sure what balancer to order. My stamping seems to be different than what you mention. Here are a few pictures.
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Tom from SWISCO responded:
October 29, 2019

Hello! This looks like a dead ringer for our Series 770, so that part is accurate, at least. The only issue is that your stamp is different from ours. You'll have to weigh your sash on a scale to get the weight, then refer to the chart we show on the S770-22 store page. That will let you know for sure which of our options will work.
22" Series 770 Balance
22" Series 770 Balance
S770-22
$12.27
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