diff --git a/src/command.c b/src/command.c
index 7b8537d7..82ae03c8 100644
--- a/src/command.c
+++ b/src/command.c
@@ -44,6 +44,7 @@ struct command_s {
 };
 
 static bool cmd_version(void);
+static bool cmd_serial(void);
 static bool cmd_help(target *t);
 
 static bool cmd_jtag_scan(target *t, int argc, char **argv);
@@ -71,6 +72,9 @@ static bool cmd_enter_bootldr(target *t, int argc, const char **argv);
 
 const struct command_s cmd_list[] = {
 	{"version", (cmd_handler)cmd_version, "Display firmware version info"},
+#ifdef PLATFORM_HAS_PRINTSERIAL
+	{"serial", (cmd_handler)cmd_serial, "Display firmware serial number"},
+#endif
 	{"help", (cmd_handler)cmd_help, "Display help for monitor commands"},
 	{"jtag_scan", (cmd_handler)cmd_jtag_scan, "Scan JTAG chain for devices" },
 	{"swdp_scan", (cmd_handler)cmd_swdp_scan, "Scan SW-DP for devices" },
@@ -354,3 +358,11 @@ static bool cmd_enter_bootldr(target *t, int argc, const char **argv)
 	return true;
 }
 #endif
+
+#ifdef PLATFORM_HAS_PRINTSERIAL
+bool cmd_serial(void)
+{
+	print_serial();
+	return true;
+}
+#endif
diff --git a/src/platforms/jeff/platform.c b/src/platforms/jeff/platform.c
index 487de8f2..56a30572 100644
--- a/src/platforms/jeff/platform.c
+++ b/src/platforms/jeff/platform.c
@@ -22,6 +22,7 @@
 #include "gdb_if.h"
 #include "cdcacm.h"
 #include "usbuart.h"
+#include "gdb_packet.h"
 
 #include <libopencm3/sam/d/nvic.h>
 #include <libopencm3/sam/d/port.h>
@@ -280,6 +281,14 @@ char *serialno_read(char *s)
 #endif
 }
 
+void print_serial(void)
+{
+	gdb_outf("0x%08X%08X%08X%08X\n", *(volatile uint32_t *)0x0080A048,
+			*(volatile uint32_t *)0x0080A044,
+			*(volatile uint32_t *)0x0080A040,
+			*(volatile uint32_t *)0x0080A00C);
+}
+
 void platform_request_boot(void)
 {
 }
diff --git a/src/platforms/jeff/platform.h b/src/platforms/jeff/platform.h
index 8c264e1a..f461768e 100644
--- a/src/platforms/jeff/platform.h
+++ b/src/platforms/jeff/platform.h
@@ -34,6 +34,7 @@
 #define PLATFORM_HAS_UART_WHEN_SWDP
 #define PLATFORM_HAS_POWER_SWITCH
 #define PLATFORM_HAS_BOOTLOADER
+#define PLATFORM_HAS_PRINTSERIAL
 
 #define BOARD_IDENT             "Black Magic Probe (SAMD), (Firmware " FIRMWARE_VERSION ")"
 #define BOARD_IDENT_DFU		"Black Magic (Upgrade) for Launchpad, (Firmware " FIRMWARE_VERSION ")"
@@ -219,4 +220,5 @@ static inline int platform_hwversion(void)
 
 void uart_pop(void);
 int usbuart_convert_tdio(uint32_t arg);
+void print_serial(void);
 #endif