High Standard Serial Number Chart

| Series | Desirability Adjustment | |--------|------------------------| | | Any fancy = 5x - 20x the chart | | Silver Certificates, Gold Notes | +50% to +300% | | Small size (1928-1960s) | Standard chart applies | | Modern (1990s–today) | Lower premiums (more collectors, fewer buyers) | | $100 bills (modern) | Much lower demand (harder to sell) | | $1 & $2 bills | Highest liquidity for fancy numbers |

Starting in July 1975, High Standard transitioned to alpha-numeric serial numbers, primarily utilizing , ML , and later SH prefixes. high standard serial number chart

| Type | Description | Example | Odds | Premium | |------|-------------|---------|------|---------| | | Single-digit serials | 00000009 | 1 in 1,111,111 | 500x - 5,000x face | | Ladder (Up/Down) | Consecutive ascending/descending | 12345678 or 87654321 | 1 in 96,000 | 300x - 2,500x face | | Binary (2 digits) | Only two digits used | 72777777 | 1 in 65,536 | 100x - 1,000x face | | True Binary (0s & 1s) | Only 0 and 1 | 10101101 | 1 in 8,192 | 200x - 800x face | During this period, High-Standard guns were made with

Identifying limited runs, such as the early Model A or G series, which had their own separate numbering sequences. Key Production Eras and Locations During this period

| Type | Description | Example | Notes | |------|-------------|---------|-------| | | 2 digits repeat 3x | 34343434 | Often collected, lower demand | | Trinary (3 digits) | Only 3 unique digits | 72977279 | Common on modern notes | | Low Serial (under 1000) | 00000100 - 00000999 | 00000777 | Always desirable | | Double (one pair) | Any double digits adjacent | 23558899 | Very common, minimal premium |

In 1968, High-Standard was sold to a conglomerate based in Houston, Texas. During this period, High-Standard guns were made with components shipped from the East Hartford plant, but assembly and finish quality are generally considered to be lower than the East Hartford guns. Collectors prize the Hamden and East Hartford guns more highly.

Rarest → Most Common