Rustoleum has a limited number of hammered finishes (6), and does not offer blue.
Hammerite offers 11, and the colors look more inline with an older vacuum finish.
Rustoleum hammered spray paint:
http://www.rustoleum.com/en/product-catalog/consumer-brands/universal/universal-hammered-spray-paint
Hammerite rust cap hammered spray paint:
http://www.kilz.com/hammerite/v/index.jsp?vgnextoid=abbfe31ef7ba0210VgnVCM1000008c05d103RCRD
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