There are a lot of online stores you can buy a vintage military helmet. Online store such as eBay, Overstock, Etsy, eCrater has helmet in stock. Or if you would like to buy an antique vintage military helmet, you may want to check out ima-usa or collectorsweekly website to find your favorite helmet.
One can buy a vintage motorcycle helmet from either their local helmet retailer or from online general retailers such as Amazon and specialized retailers such as Helmuts.
Gm Helmet is best and you can buy it online.
There are several places to start your search. I would start by going to online auction sites and looking there. If you are looking for something more vintage, then look in your local trading post.
Well you can try online vintage stores or Rockabilly Central or you could try Trainutz.com
From vintage shops, online (like Retrophoria.com), car boot sales, charity shops, boutiques.
There are a few online stores where you can buy vintage 8N Ford tractor parts. www.usedfarmequipment.net for example, sells used farm equipment and spare parts.
One can buy a vintage locket online on websites such as Amazon, eBay or Kijiji. However, they can also be purchased in stores at your local antique shop.
A good place to buy vintage maps is eBay. Other sources one can purchase vintage maps at are local or online antique stores. Some examples to buy maps at are the online antique store Pine Brook Maps and Maps.
Go online to www.oldgas.com and you will find a helpful directory of websites that offer other vintage gas station collectibles as well.
You can buy vintage metal signs in a lot of retro stores. You can find these locally or you can buy them in online sites such as amazon, walmart and ebay.
One can buy a vintage earth globe online at many sites, including eBay and Amazon. One may also purchase a vintage earth globe in certain stores, such as Walmart.
Oxfam charity's online store sells a good selection of vintage dresses. You could also try the site for 'i love vintage' for more clothing. Auction sites like ebay could be great for finding bargain vintage clothes.