The real experts are no longer with us, but this was a recent top break discussion:
http://www.gboreloaded.com/forums/index.php/topic,249926.0.html I believe yours would be first edition Premier top break. It all comes down to the the patent numbers and I also found posts about this here:
H&R PREMER FIRST MODEL SMALL FRAME TOP BREAK
(BLACK POWDER)------------------------1895-1904
Small fame double action top break revolver with double top post barrel latch; calibers and cylinder capacity, 22 rimfire-7 rounds, 32 centerfire-5 rounds; Free wheeling cylinder (no automatic cylinder stop); standard finish Nickel with case harden hammer and barrel latch; standard barrel length 3 inches, with 4, 5 and 6 inches available as optional; features a scaled down version of the new frame and double action mechanism introduced in 1890 on the Auto-Ejecting Second Model, does not have caliber marking on left
NO CALIBER MARKINGS ON LEFT SIDE OF BARREL MANUFACTURED FOR BLACK POWDER CARTRIDGE PRESSURES
First Variation, patent dates 10-4-87, 5-14-89, 2-23-92, serial number range 01*-15,000 (estimate)------------------------------1895-April 1896 Second Variation, patent dates 10-4-87, 5-14-89, 4-2-95, 4-7-96, serial number range 15,000*-20,000* (estimate)------------------May 1896
Third Variation, patent dates 10-4-87, 4-2-95, 4-7-96, serial number range 20,000* to 100,000* (estimate)-------------------------1897-1898
Fourth Variation, automatic cylinder stop same patent dates as 3rd variation several different serial number series that may have letter codes---1899-1903
Fifth Variation use different font in barrel markings and may have an A letter code in the serial number---------------------------------1904 -only
VALUE: 100%=$285 60%=$75 Add 10% premium for blue finish; 20% premium 4”, 5” or 6” barrel; 20% premium for 22 rimfire caliber