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The keys listed on this page are all used for smaller railroad locks such as, utility, signal, etc.

Examples: Mid-Valley utility lock | PRR-signal lock

Keys made for them, are strictly proprietary. If you do happen to find one to work a lock, it's strictly luck!

All keys are $30.00 each (unless noted in listing) + $4.00 postage.


brass key brass key brass key

Item: MK-1     Pockert worn Fraim.

brass key brass key brass key

Item: MK-2     Another early Fraim.

brass key brass key brass key

Item: MK-3     Early Fraim with key code R127 ="Reading Railroad"?

brass key brass key brass key

Item: MK-4     ca. 1921-30 FS/Hdw Co.
This key + 2 keys below most likely work with a Pennsy lock.

brass key brass key brass key

Item: MK-5     ca. 1921-30 FS/Hdw Co.

brass key brass brass key

Item: MK-6     ca. 1921-30 FS/Hdw Co.

BofE Key BofE Key

Item: MK-7     Board of Education switch key.
Most likely used on gate lock.

steel key steel key steel key

Item: MK-8     No foundry name steel key.

steel key steel key steel key

Item: MK-9     Miller 'butterfly' steel key.

steel key steel key steel key

Item: MK-10     Miller forged steel key.

steel key steel key steel key

Item: MK-11     Miller forged steel key.

steel key steel key steel key

Item: MK-12     Miller forged steel key.

steel key steel key steel key

Item: MK-13     Miller forged steel key.

steel key steel key steel key

Item: MK-14     Miller forged steel key.

brass key brass brass key

Item: MK-15     ca. 1921-30 FS/Hdw Co.

brass key brass

Item: MK-16     ca. late 1800s
Nice oldie w/o stamp marks.
Good chance will work GMO lock.

brass key brass

Item: MK-17     ca. early 1900s
Nice Fraim oldie.

brass key brass

Item: MK-18     ca. mid-1900s
Large barrel key.

brass key brass

Item: MK-19     ca. early 1900s
Unmarked Fraim - Philadelphia & Reading key.

brass key brass

Item: MK-20     ca. mid-1900s
Peoria & Pekin Union key.

brass key brass

Item: MK-21     ca. early 1900s
Unmarked Fraim - Delaware & Hudson cut.

brass key steel key

Item: MK-22     ca. early 1900s
Unmarked - New York, New Haven & Hartford cut.
Nice steel spare!

brass key brass

Item: MK-23     ca. late 1800s
Unmarked #1 Slaymaker/Barry key.
Possible AT&SF cut.
Price:
$50.00

brass key brass

Item: MK-24     ca. early 1900s
Unmarked L&N - Louisville & Nashville key.

Dates quoted for keys are approximate dates. Railroad switch keys initials (reporting mark) are assumed to be correct and accurate.
Comments on any railroad initials origin, including (typos), are welcome. Last update 01/24/2024
All Key Sales are Final

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