Hi all I've been collecting oilfield memorabilia for over 20 years & im perplexed on 1 item I've saved for probably 15 years can't remember where I got it I think Texas but it's a complete set of Mobil gargoyle diamond shape bottles with display case from vacuum oil company not Socony says pat Aug 26 1928,I'm wondering if anyone knows what year produced & value? Great condition!!