And you didn't think to ask the Bianchi expert directly, the "Roy Jinks" of Bianchi holster history? :-)

1964, John and Neale are joint venturing with Safari Ltd. 1965 Neale takes the company off John (Neale's father is funding operations), John is out of business until he founds Bianchi Holster in 1966 with the funding of his own dad, who we called Mr. B. The holsters then are marked BIANCHI HOLSTER. By 1972 we are changing the stamp to BIANCHI MONROVIA and have shifted to Temecula down south and are now removing the MONROVIA. Middle of the 70s we discover photo engraving and start plate embossing the entire holster, including the stitchlines and the Bianchi badge, into at least the holster belt loop. The Bianchi star imprint on the snaps we started in the mid 80s (who knew that it had already been done by so many holster companies?!). The Made in Mexico stamp begins to appear after my time, in the 90s. So, back to 1966: though John likes to claim his business began in 1958, in fact he had just left the Army then and was a full-time peace officer; the holster thing was strictly part-time/small-time until he left the P.D. and opened Bianchi Holster in 1966: so 50 years in 2016.

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Red Nichols The Holstorian