It feature a very historically cool Type 1 stamp dating it between about 1910-1925. This 100+ year old cymbal has been well cared for, there is just a bit of edge roughness but no cracks, bends, or keyhole.
14" K. Zildjian Constantinople 1920s-1930s Trap Ride Cymbal 1332g *Video Demo*
13" K Zildjian Constantinople Stamp 4 1930s "G" Gretsch Cymbal 498g Pre-Old
K Zildjian Constantinople Ride Cymbal (medium thin low) Brand New
14" K Zildjian Istanbul 1960s New Stamp Hi-Hat Cymbal Pair 934g/980g *Video
K. Zildjian & CIE Constantinople Cymbal Crash Hi Hat 14” c.1907-1913 Partial St
Antique K. Zildjian & CIE Constantinople Cymbal ~14” 1910s Old Stamp 1265 GRAMS