Vintage Stamps: Worth It?

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I have a question for people who have already sent out their invites. Vintage stamps - everyone's crazy about vintage stamps but are they worth it? How many stamps did you need to get those puppies out the door? I know it's pretty and all but is anyone but me going to even notice or realize that I scoured EBay at 3am for a gazillion stamps???

Speaking of warm...

I need some help. I'm going to a wedding on New Years Eve and I want to get some sort of wrap/shrug/shawl type situation. Most of my funds have gone to gift shopping so nothing that will break the bank. Like less than $50. Any ideas?