A Stamp of Approval
Labels and Stamps on C. F. Martin Guitars
C.F. Martin generally stamped their flat top guitars in three places, on the neck block, on the inside of the back of the guitar, usually on the center strip, and on the back of the headstock of guitars with cedar or mahogany necks, or on the back of the guitar near the neck block on guitars with ebonized necks and a number of early cedar neck guitars.
Early Martin guitars are stamped "C.F. Martin, New York" in all three places. Beginning in 1867, the year Martin took on partners and incorporated, the headstock stamp remained the same, but the inside center strip stamp read "C.F. Martin & Co., New York", and neck block stamp followed shortly thereafter. Even after Martin moved to his new home in Cherry Hill, near Nazareth, Pennsylvania, his guitars were sold through a representative in New York, so the New York stamp remained. In 1898, after this sales arrangement disolved, the Martin company began stamping their guitars "C.F. Martin, Nazareth, PA."
In 1898, Martin also began numbering their guitars, beginning with number 8000, an estimate of the number of instruments produced to that date, stamping the serial numbers on the neck block below the "C. F. Martin & Co." stamp.
The earliest Martins have paper labels, sometimes accompanied by an outer back stamp as well. Martin also occasionally used paper labels on instruments built for dealers, or other special editions.
Finally, Martins supplied with coffin cases had a label glued to the inside of the top of the case which indicated the style and size of the guitar. Surprisingly, a fairly large percentage of the original cases have survived with the labels still glued to the cases over a century later. If the guitar were separated from the case, however, there would be no designation of the style number and size. In 1934, Martin began stamping the style name and size on the neck block below the serial number. For a short time in 1900, Martin also stamped the serial numbers of some guitars on the end of the headstock.
Paper Labels
Several different labels appear on Martin Guitars with the 196 Hudson Street New York address.
I've located Hudson Street Martins with similar labels and the following numbers:
No. 1114 C. F. Martin Museum. Raised ivory fingerboard & neck, tapered fretboard
No. 1160 Private Collection. Flat ebony fingerboard, round end fretboard
No. 1168 Sold by Gruhn Guitars, Nashville. Raised ivory fingerboard, tapered fretboard
No. 1173 Fred Oster, Vintage Instruments, Philadelphia. Flat ebony fingerboard, round end fretboard
No. 1176 Illustrated above, Raised ebony fingerboard, round end fretboard
No. 1188 Metropolitan Museum of Art, New York. Raised ebony fingerboard, tapered fretboard
In the 1840's Martin teamed with John Coupa, who sold guitars with the "Martin & Coupa" label.
Headstock Stamps and Decals
Early Martin Guitars had C.F. Martin New York stamped on the back of their headstocks.
Numerous examples have been seen with holes drilled in the headstock, which were thought to be the result of unsophisticated owners who had clumsily defaced these beautiful guitars. In fact, these holes were drilled in the headstocks of early Martins by Mr. Martin himself, for ribbons attached for hanging.
This 1896 Martin 0-42 has a "Nazareth, PA", which is unusual for a pre-1898 Martin.
During much of the 19th century, Martins with tuning pegs also had a pegs made of ivory or horn on the back of the headstock for hanging.
The first Martin logos appearing on the front of some Martin headstocks in 1932 were not decals, but were printed in gold leaf. These logos can be identified by the lack of the black outline seen on the later decals.
1933 Martin 0-17
Outside Back Stamps
As you can see, the ebonized, Stauffer style headstocks of early Martins, dressed in black, did not provide an ideal surface for the Martin stamp.
So Martin stamped their early guitars on the back of the body near the heel. Martin continued this practice for some time on guitars with cedar neck with Spanish heels...
...and into the beginning of the 20th century on guitars with the black ebonized headstocks and necks.
Inside Back Stamps
C.F. Martin, New York
Martin's earliest guitars are stamped "C.F. Martin, New York" on the inside back center strip.
C.F. Martin & Co. New York
Once C.F. Martin Sr. took on his son and nephew as partners in 1867, the inside back center strip began to read "C.F. Martin & Co., New York". Martin continued using the New York stamp for many years after moving to Pennsylvania as his guitars were still distributed from New York.
C. F. Martin & Co. Nazareth, PA
After Martin's distribution arrangement in New York ended in 1898, the inside stamp began to read "C. F. Martin & Co. Nazareth, PA"
Neck Block Stamps
With the exception of a few early examples with the Spanish foot, such as the one above, all of the neck block stamps I've seen on Martins from the very earliest to this example built in March, 1889 are upside down.
March, 1889 Martin 2-34
All of the later neck block stamps I've seen starting with this example below read right side up.
This narrows the date of change from sometime between March, 1889 and February, 1893.
February, 1893 Martin 2 1/2 - 17
Serial Number Stamps
In 1898 Martin began assigning serial numbers to their guitars, starting with the number 8000, estimating the number of guitars produced to date.
Serial numbers, along with the new Nazareth, PA stamp, were imprinted on the neck block.
1898 Martin 1-21
For a short period of time, in 1899, Martin also stamped the serial number on the end of the headstock:
In 1918, Martin was still stamping the Nazareth Address on the neck blocks.
1918 000-42
Signatures
Many, but not all, Martin guitars built between the 1870's and thesecond decade of the 20th centtury are dated in pencil on the underside of the top. The format varies greatly, with some initialed by F.H. Martin or a shop foreman, some containing the day and month, and some showing the year only.
Repair signature
The guitar below is a rare example of an instrument with a repair that was documented, in this case by shop foreman John Deichmann, the creator of the Dreadnaught and a number of Martin's other greatest achievements.
Case Labels
Martin used a number of various labels in their cases, with minor differences in typefaces and design.
c. 1870's 2 1/2 - 26
unknown date 0-28
1888 2 1/2 -17
1893 2 -1/2 17
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